build(deps-dev): bump the patch group with 2 updates (#307)

Bumps the patch group with 2 updates:
[mkdocstrings-python](https://github.com/mkdocstrings/python) and
[pylint](https://github.com/pylint-dev/pylint).

Updates `mkdocstrings-python` from 2.0.7 to 2.0.9
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/mkdocstrings/python/releases">mkdocstrings-python's
releases</a>.</em></p>
<blockquote>
<h2>2.0.9</h2>
<h2><a
href="https://github.com/mkdocstrings/python/releases/tag/2.0.9">2.0.9</a>
- 2026-09-22</h2>
<p><!-- raw HTML omitted --><a
href="https://github.com/mkdocstrings/python/compare/2.0.8...2.0.9">Compare
with 2.0.8</a><!-- raw HTML omitted --></p>
<h3>Bug Fixes</h3>
<ul>
<li>Improve inventory object types (incorrectly called roles in
mkdocstrings) (<a
href="https://github.com/mkdocstrings/python/commit/d754326b534a7771a5d815935976bdb869913a5f">d754326</a>
by Timothée Mazzucotelli). <a
href="https://redirect.github.com/mkdocstrings/python/issues/339">Issue-339</a>,
<a
href="https://redirect.github.com/mkdocstrings/python/pull/340">PR-340</a></li>
<li>Expand relative cross-references against the object the docstring
was written on (<a
href="https://github.com/mkdocstrings/python/commit/a9a4ca3bfd8ee361cd8f7aa63a5079b232adc837">a9a4ca3</a>
by Dev M). <a
href="https://redirect.github.com/mkdocstrings/python/issues/341">Issue-341</a>,
<a
href="https://redirect.github.com/mkdocstrings/python/pull/342">PR-342</a></li>
</ul>
<h3>Performance Improvements</h3>
<ul>
<li>Small performance improvement when getting aliases and
formatting/highlighting signatures (<a
href="https://github.com/mkdocstrings/python/commit/2263163f0263cb86ae9696f955213ab8fa8f5518">2263163</a>
by Timothée Mazzucotelli).</li>
</ul>
<h2>2.0.8</h2>
<h2><a
href="https://github.com/mkdocstrings/python/releases/tag/2.0.8">2.0.8</a>
- 2026-08-31</h2>
<p><!-- raw HTML omitted --><a
href="https://github.com/mkdocstrings/python/compare/2.0.7...2.0.8">Compare
with 2.0.7</a><!-- raw HTML omitted --></p>
<h3>Performance Improvements</h3>
<ul>
<li>Make template existence test (for locale templates) faster (<a
href="https://github.com/mkdocstrings/python/commit/c0424f2b10f9d8cfded49e7720e95ad90e4c5b9c">c0424f2</a>
by Timothée Mazzucotelli).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/mkdocstrings/python/blob/main/CHANGELOG.md">mkdocstrings-python's
changelog</a>.</em></p>
<blockquote>
<h2><a
href="https://github.com/mkdocstrings/python/releases/tag/2.0.9">2.0.9</a>
- 2026-09-22</h2>
<p><!-- raw HTML omitted --><a
href="https://github.com/mkdocstrings/python/compare/2.0.8...2.0.9">Compare
with 2.0.8</a><!-- raw HTML omitted --></p>
<h3>Bug Fixes</h3>
<ul>
<li>Improve inventory object types (incorrectly called roles in
mkdocstrings) (<a
href="https://github.com/mkdocstrings/python/commit/d754326b534a7771a5d815935976bdb869913a5f">d754326</a>
by Timothée Mazzucotelli). <a
href="https://redirect.github.com/mkdocstrings/python/issues/339">Issue-339</a>,
<a
href="https://redirect.github.com/mkdocstrings/python/pull/340">PR-340</a></li>
<li>Expand relative cross-references against the object the docstring
was written on (<a
href="https://github.com/mkdocstrings/python/commit/a9a4ca3bfd8ee361cd8f7aa63a5079b232adc837">a9a4ca3</a>
by Dev M). <a
href="https://redirect.github.com/mkdocstrings/python/issues/341">Issue-341</a>,
<a
href="https://redirect.github.com/mkdocstrings/python/pull/342">PR-342</a></li>
</ul>
<h3>Performance Improvements</h3>
<ul>
<li>Small performance improvement when getting aliases and
formatting/highlighting signatures (<a
href="https://github.com/mkdocstrings/python/commit/2263163f0263cb86ae9696f955213ab8fa8f5518">2263163</a>
by Timothée Mazzucotelli).</li>
</ul>
<h2><a
href="https://github.com/mkdocstrings/python/releases/tag/2.0.8">2.0.8</a>
- 2026-08-31</h2>
<p><!-- raw HTML omitted --><a
href="https://github.com/mkdocstrings/python/compare/2.0.7...2.0.8">Compare
with 2.0.7</a><!-- raw HTML omitted --></p>
<h3>Performance Improvements</h3>
<ul>
<li>Make template existence test (for locale templates) faster (<a
href="https://github.com/mkdocstrings/python/commit/c0424f2b10f9d8cfded49e7720e95ad90e4c5b9c">c0424f2</a>
by Timothée Mazzucotelli).</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/mkdocstrings/python/commit/c888dc294f4c8305479d358e976fd8cbb2e0c62c"><code>c888dc2</code></a>
chore: Prepare release 2.0.9</li>
<li><a
href="https://github.com/mkdocstrings/python/commit/2263163f0263cb86ae9696f955213ab8fa8f5518"><code>2263163</code></a>
perf: Small performance improvement when getting aliases and
formatting/highl...</li>
<li><a
href="https://github.com/mkdocstrings/python/commit/d754326b534a7771a5d815935976bdb869913a5f"><code>d754326</code></a>
fix: Improve inventory object types (incorrectly called roles in
mkdocstrings)</li>
<li><a
href="https://github.com/mkdocstrings/python/commit/a9a4ca3bfd8ee361cd8f7aa63a5079b232adc837"><code>a9a4ca3</code></a>
fix: Expand relative cross-references against the object the docstring
was wr...</li>
<li><a
href="https://github.com/mkdocstrings/python/commit/8125b0d28b039693ff05b8caac981da47eb4cd7c"><code>8125b0d</code></a>
chore: Prepare release 2.0.8</li>
<li><a
href="https://github.com/mkdocstrings/python/commit/50542407b5b0f3989fffe80927845886f590a1bd"><code>5054240</code></a>
chore: Be a bit more minijinja compatible</li>
<li><a
href="https://github.com/mkdocstrings/python/commit/c0424f2b10f9d8cfded49e7720e95ad90e4c5b9c"><code>c0424f2</code></a>
perf: Make template existence test (for locale templates) faster</li>
<li>See full diff in <a
href="https://github.com/mkdocstrings/python/compare/2.0.7...2.0.9">compare
view</a></li>
</ul>
</details>
<br />

Updates `pylint` from 4.0.8 to 4.0.9
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/pylint-dev/pylint/releases">pylint's
releases</a>.</em></p>
<blockquote>
<h2>v4.0.9</h2>
<h2>What's new in Pylint 4.0.9?</h2>
<p>Release date: 2026-09-23</p>
<h2>Security Fixes</h2>
<ul>
<li>Someone without access to the configuration or linted code, but with
access
to the cache directory (predictable <code>PYLINT_HOME</code> on a
multi-user host) can no
longer write a crafted pickle that will runs arbitrary code when pylint
access its
stat cache. The result cache is now stored as JSON instead of pickle,
preventing code-execution. The workaround is upgrading or not pointing
<code>PYLINT_HOME</code>
to an untrusted, shared, or group-writable directory. The default value,
<code>~/.cache/pylint</code>,
is writable only by the user running pylint. (CVE with the same
information pending)</li>
</ul>
<h2>False Positives Fixed</h2>
<ul>
<li>
<p>Fixed a false positive for <code>no-self-use</code> on a method that
only uses
<code>self</code> before a locally defined class (or other nested
method), because
the checker's could-be-a-function tracking state was not restored after
visiting the nested method.</p>
<p>Closes <a
href="https://redirect.github.com/pylint-dev/pylint/issues/3705">#3705</a></p>
</li>
<li>
<p>Fix a false positive for :ref:<code>not-callable</code> when calling
functions constructed with
<code>types.FunctionType</code> or <code>types.LambdaType</code>.</p>
<p>Closes <a
href="https://redirect.github.com/pylint-dev/pylint/issues/7500">#7500</a></p>
</li>
<li>
<p>Fix a false positive for <code>unnecessary-direct-lambda-call</code>
when a directly called
lambda in a class body wraps a comprehension containing an assignment
expression.
PEP 572 makes that a <code>SyntaxError</code> without the lambda's
scope, so following the
message produced code that would not compile.</p>
<p>Closes <a
href="https://redirect.github.com/pylint-dev/pylint/issues/9294">#9294</a></p>
</li>
<li>
<p>Fix a false positive for :ref:<code>unnecessary-ellipsis</code> when
an ellipsis is the
sole body statement of a method defined on a <code>Protocol</code>.</p>
<p>Closes <a
href="https://redirect.github.com/pylint-dev/pylint/issues/9319">#9319</a></p>
</li>
<li>
<p>Fix a false positive for :ref:<code>bad-exception-cause</code> when
the bases of the class
being raised from cannot be inferred, such as an exception deriving from
a
C extension class. :ref:<code>raising-non-exception</code> and
:ref:<code>catching-non-exception</code> already guard the same
<code>inherit_from_std_ex</code></p>
</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/pylint-dev/pylint/commit/303703fe107fa812c42a66edfc88a5702a63f1f1"><code>303703f</code></a>
Bump pylint to 4.0.9, update changelog (<a
href="https://redirect.github.com/pylint-dev/pylint/issues/11448">#11448</a>)</li>
<li><a
href="https://github.com/pylint-dev/pylint/commit/b342384e6cb10986f3fa66093d99464b3ced4199"><code>b342384</code></a>
Fix block-scoped disable leaking into sibling elif/else blocks (<a
href="https://redirect.github.com/pylint-dev/pylint/issues/11429">#11429</a>)
(<a
href="https://redirect.github.com/pylint-dev/pylint/issues/11445">#11445</a>)</li>
<li><a
href="https://github.com/pylint-dev/pylint/commit/58c87cffca9de2b3e89aa07b89686cbc90cfea2d"><code>58c87cf</code></a>
Store the results cache as JSON instead of pickle</li>
<li><a
href="https://github.com/pylint-dev/pylint/commit/e3f4942a2ff51d28b69435587eee53ab44ebfb9c"><code>e3f4942</code></a>
[Backport maintenance/4.0.x] Fix crash on failed attribute inference (<a
href="https://redirect.github.com/pylint-dev/pylint/issues/11443">#11443</a>)</li>
<li><a
href="https://github.com/pylint-dev/pylint/commit/faf47f9f079c9461832a7bd7dcea61d44f6348b9"><code>faf47f9</code></a>
[Backport maintenance/4.0.x] Fix false positive no-self-use when a
method con...</li>
<li><a
href="https://github.com/pylint-dev/pylint/commit/20c7bb9ef1468b38e61de43d2e3a7314f938e04f"><code>20c7bb9</code></a>
[Backport maintenance/4.0.x] Fix a crash in method-hidden for methods
named a...</li>
<li><a
href="https://github.com/pylint-dev/pylint/commit/47e67578bef317ff0feb0211ba84ba3ba958645f"><code>47e6757</code></a>
[Backport maintenance/4.0.x] Fix bad-exception-cause false positive when
the ...</li>
<li><a
href="https://github.com/pylint-dev/pylint/commit/ae3ee5354062ca35c0d243f673a2bf3ee2e4f376"><code>ae3ee53</code></a>
[Backport maintenance/4.0.x] Fix not-callable false positive for
types.Functi...</li>
<li><a
href="https://github.com/pylint-dev/pylint/commit/3e444be6ef29e675f2f559960a60ee24a0372687"><code>3e444be</code></a>
[Backport maintenance/4.0.x] Fix a crash in
unnecessary-default-type-args for...</li>
<li><a
href="https://github.com/pylint-dev/pylint/commit/8f2dd4fcaa85fa43b33da6b0fed4af3a22314984"><code>8f2dd4f</code></a>
[Backport maintenance/4.0.x] Fix declare-non-slot false positives for
ClassVa...</li>
<li>Additional commits viewable in <a
href="https://github.com/pylint-dev/pylint/compare/v4.0.8...v4.0.9">compare
view</a></li>
</ul>
</details>
<br />

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Author: frequenz-auto-dependabot[bot]

pyproject.toml

@@ -72,7 +72,7 @@ dev-mkdocs = [
   "mkdocs-macros-plugin == 1.5.0",
   "mkdocs-material == 9.7.7",
   "mkdocstrings[python] == 1.0.6",
-  "mkdocstrings-python == 2.0.7",
+  "mkdocstrings-python == 2.0.9",
   "frequenz-repo-config[lib] == 0.19.0",
 ]
 dev-mypy = [
@@ -85,7 +85,7 @@ dev-mypy = [
 ]
 dev-noxfile = ["nox == 2026.8.17", "frequenz-repo-config[lib] == 0.19.0"]
 dev-pylint = [
-  "pylint == 4.0.8",
+  "pylint == 4.0.9",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-client-microgrid[dev-mkdocs,dev-noxfile,dev-pytest]",
 ]