build(deps): bump requests from 2.27.1 to 2.32.4 in /docs

Bumps [requests](https://github.com/psf/requests) from 2.27.1 to 2.32.4.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.27.1...v2.32.4)

---
updated-dependencies:
- dependency-name: requests
  dependency-version: 2.32.4
  dependency-type: indirect
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -66,7 +66,7 @@ pyyaml==6.0.1 ; python_version >= "3.6"
     # via
     #   -r ../tools/lib-alert-tree/requirements.txt
     #   -r requirements.in
-requests==2.27.1
+requests==2.32.4
     # via sphinx
 restructuredtext-lint==1.4.0
     # via doc8