Bump urllib3 in /docs in the pip group across 1 directory

Bumps the pip group with 1 update in the /docs directory: [urllib3](https://github.com/urllib3/urllib3).


Updates `urllib3` from 2.1.0 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@2.1.0...2.2.2)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
  dependency-group: pip
...

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

docs/requirements.txt

@@ -34,5 +34,5 @@ sphinxcontrib-qthelp==1.0.7
 sphinxcontrib-serializinghtml==1.1.10
 sphinxcontrib-websupport==1.2.4
 typing_extensions==4.7.1
-urllib3==2.1.0
+urllib3==2.2.2
 zipp==3.15.0