Bump requests from 2.32.0 to 2.32.4 in /docs (#121)

Bumps [requests](https://github.com/psf/requests) from 2.32.0 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@v2.32.0...v2.32.4)

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

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

Author: dependabot[bot]

docs/requirements.txt

@@ -39,7 +39,7 @@ python-dateutil==2.8.1
 pytz==2020.1
 pyzmq==19.0.2
 recommonmark==0.6.0
-requests==2.32.0
+requests==2.32.4
 six==1.15.0
 snowballstemmer==2.0.0
 soupsieve==2.0.1