build(deps): bump urllib3 from 2.2.1 to 2.2.2 in /doc/sphinx

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.2.1 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@2.2.1...2.2.2)

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

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

doc/sphinx/requirements.txt

@@ -26,4 +26,4 @@ sphinxcontrib-jquery==4.1
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.7
 sphinxcontrib-serializinghtml==1.1.10
-urllib3==2.2.1
+urllib3==2.2.2