Bump requests from 2.31.0 to 2.32.3 in /docs

Bumps [requests](https://github.com/psf/requests) from 2.31.0 to 2.32.3.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.31.0...v2.32.3)

---
updated-dependencies:
- dependency-name: requests
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

docs/requirements.txt

@@ -9,7 +9,7 @@ Jinja2==3.1.4
 MarkupSafe==0.23
 Pygments==2.15.0
 pytz==2018.7
-requests==2.32.2
+requests==2.32.3
 six==1.11.0
 snowballstemmer==1.2.1
 Sphinx==1.5.1