Bump urllib3 in /docs in the pip group across 1 directory (#5478)

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


Updates `urllib3` from 2.6.3 to 2.7.0
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.6.3...2.7.0)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-version: 2.7.0
  dependency-type: direct:production
  dependency-group: pip
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -35,5 +35,5 @@ sphinxcontrib-qthelp==2.0.0
 sphinxcontrib-serializinghtml==2.0.0
 sphinxcontrib-websupport==2.0.0
 typing_extensions==4.12.2
-urllib3==2.6.3
+urllib3==2.7.0
 zipp==3.20.2