chore(deps): bump urllib3 from 2.3.0 to 2.4.0 in /hack/api-docs (#4647)

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](https://github.com/urllib3/urllib3/compare/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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

hack/api-docs/requirements.txt

@@ -36,7 +36,7 @@ requests==2.32.3
 six==1.17.0
 termcolor==3.0.1
 tornado==6.4.2
-urllib3==2.3.0
+urllib3==2.4.0
 verspec==0.1.0
 watchdog==6.0.0
 zipp==3.21.0