Bump urllib3 in /docs in the pip group across 1 directory (#617)

Bumps the pip group with 1 update in the /docs directory: [urllib3](https://github.com/urllib3/urllib3).


Updates `urllib3` from 1.26.19 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@1.26.19...2.5.0)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.5.0
  dependency-type: direct:production
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

docs/requirements.txt

@@ -85,6 +85,6 @@ tornado==6.5.1
 traitlets==5.9.0
 typing_extensions==4.5.0
 uc-micro-py==1.0.1
-urllib3==1.26.19
+urllib3==2.5.0
 wcwidth==0.2.6
 zipp==3.19.1