build(deps): bump urllib3 from 2.0.7 to 2.2.2 in /docs

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.0.7 to 2.2.2.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.0.7...2.2.2)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

docs/requirements.txt

@@ -64,7 +64,7 @@ sphinxcontrib-qthelp==1.0.5
     # via sphinx
 sphinxcontrib-serializinghtml==1.1.7
     # via sphinx
-urllib3==2.0.7
+urllib3==2.2.2
     # via requests
 zipp==3.18.1
     # via importlib-metadata