chore: Bump urllib3 from 2.3.0 to 2.4.0 in /docs

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

@@ -4,6 +4,6 @@ sphinx-copybutton==0.5.2
 sphinx-design==0.6.1
 sphinx_external_toc==1.0.1
 semver==3.0.2
-urllib3==2.3.0
+urllib3==2.4.0
 sphinx-autobuild==2024.10.3
 sphinxawesome-theme==5.3.2