Bump urllib3 from 2.3.0 to 2.4.0

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.3.0...2.4.0)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

docs/requirements.txt

@@ -1,4 +1,4 @@
-urllib3==2.3.0 # https://github.com/readthedocs/readthedocs.org/issues/10290
+urllib3==2.4.0 # https://github.com/readthedocs/readthedocs.org/issues/10290
 sphinx==7.4.7
 sphinx-rtd-theme==2.0.0
 invoke==2.2.0