fix(lambda): bump flatted from 3.3.1 to 3.4.2 in /lambdas (#5075)

Bumps [flatted](https://github.com/WebReflection/flatted) from 3.3.1 to
3.4.2.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/WebReflection/flatted/commit/3bf09091c3562e17a0647bc06710dd6097079cf7"><code>3bf0909</code></a>
3.4.2</li>
<li><a
href="https://github.com/WebReflection/flatted/commit/885ddcc33cf9657caf38c57c7be45ae1c5272802"><code>885ddcc</code></a>
fix CWE-1321</li>
<li><a
href="https://github.com/WebReflection/flatted/commit/0bdba705d130f00892b1b8fcc80cf4cdea0631e3"><code>0bdba70</code></a>
added flatted-view to the benchmark</li>
<li><a
href="https://github.com/WebReflection/flatted/commit/2a02dce7c641dec31194c67663f9b0b12e62da20"><code>2a02dce</code></a>
3.4.1</li>
<li><a
href="https://github.com/WebReflection/flatted/commit/fba4e8f2e113665da275b19cd0f695f3d98e9416"><code>fba4e8f</code></a>
Merge pull request <a
href="https://redirect.github.com/WebReflection/flatted/issues/89">#89</a>
from WebReflection/python-fix</li>
<li><a
href="https://github.com/WebReflection/flatted/commit/5fe86485e6df7f7f34a07a2a85498bd3e17384e7"><code>5fe8648</code></a>
added &quot;when in Rome&quot; also a test for PHP</li>
<li><a
href="https://github.com/WebReflection/flatted/commit/53517adbefe724fe472b2f9ebcdb01910d0ae3f0"><code>53517ad</code></a>
some minor improvement</li>
<li><a
href="https://github.com/WebReflection/flatted/commit/b3e2a0c387bf446435fec45ad7f05299f012346f"><code>b3e2a0c</code></a>
Fixing recursion issue in Python too</li>
<li><a
href="https://github.com/WebReflection/flatted/commit/c4b46dbcbf782326e54ea1b65d3ebb1dc7a23fad"><code>c4b46db</code></a>
Add SECURITY.md for security policy and reporting</li>
<li><a
href="https://github.com/WebReflection/flatted/commit/f86d071e0f70de5a7d8200198824a3f07fc9c988"><code>f86d071</code></a>
Create dependabot.yml for version updates</li>
<li>Additional commits viewable in <a
href="https://github.com/WebReflection/flatted/compare/v3.3.1...v3.4.2">compare
view</a></li>
</ul>
</details>
<br />


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lambdas/yarn.lock

@@ -7853,9 +7853,9 @@ __metadata:
   linkType: hard
 
 "flatted@npm:^3.2.9":
-  version: 3.3.1
-  resolution: "flatted@npm:3.3.1"
-  checksum: 10c0/324166b125ee07d4ca9bcf3a5f98d915d5db4f39d711fba640a3178b959919aae1f7cfd8aabcfef5826ed8aa8a2aa14cc85b2d7d18ff638ddf4ae3df39573eaf
+  version: 3.4.2
+  resolution: "flatted@npm:3.4.2"
+  checksum: 10c0/a65b67aae7172d6cdf63691be7de6c5cd5adbdfdfe2e9da1a09b617c9512ed794037741ee53d93114276bff3f93cd3b0d97d54f9b316e1e4885dde6e9ffdf7ed
   languageName: node
   linkType: hard