Bump requests from 2.31.0 to 2.32.4 in /docs

Bumps [requests](https://github.com/psf/requests) from 2.31.0 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@v2.31.0...v2.32.4)

---
updated-dependencies:
- dependency-name: requests
  dependency-version: 2.32.4
  dependency-type: direct:production
...

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

Author: dependabot[bot]

docs/requirements.txt

@@ -19,7 +19,7 @@ Pygments==2.13.0
 pyparsing==3.0.9
 pytz==2022.2.1
 PyYAML==6.0
-requests==2.31.0
+requests==2.32.4
 snowballstemmer==2.2.0
 Sphinx==5.1.1
 sphinxcontrib-applehelp==1.0.2