build: Bump requests from 2.32.2 to 2.32.4 in /docs (#145)

Bumps [requests](https://github.com/psf/requests) from 2.32.2 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@v2.32.2...v2.32.4)

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

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

Author: dependabot[bot]

docs/requirements.txt

@@ -59,7 +59,7 @@ pytz==2021.3
     # via
     #   babel
     #   datetime
-requests==2.32.2
+requests==2.32.4
     # via sphinx
 six==1.16.0
     # via livereload