Bump urllib3 from 2.3.0 to 2.5.0 in /doc

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.3.0 to 2.5.0.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.3.0...2.5.0)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.5.0
  dependency-type: indirect
...

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

Author: dependabot[bot]

doc/requirements.txt

@@ -63,5 +63,5 @@ sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
 sphinxemoji==0.3.1
     # via -r requirements.in
-urllib3==2.3.0
+urllib3==2.5.0
     # via requests