build(deps): bump urllib3 from 2.2.0 to 2.2.1 in /docs (#3210)

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.2.0 to 2.2.1.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.2.0...2.2.1)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docs/requirements.txt

@@ -25,4 +25,4 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.7
 sphinxcontrib-serializinghtml==1.1.10
 sphinxext-rediraffe==0.2.7
-urllib3==2.2.0
+urllib3==2.2.1