Bump requests from 2.22.0 to 2.31.0 in /releases/dogwood/3/fun

Bumps [requests](https://github.com/psf/requests) from 2.22.0 to 2.31.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.22.0...v2.31.0)

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

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

Author: dependabot[bot]

releases/dogwood/3/fun/requirements.txt

@@ -33,7 +33,7 @@ redis==2.10.6
 # Upgrade requests and urllib3 to prevent SSL certificate validation failure
 # (we should use pyOpenSSL instead of the local openssl library). For reference, see:
 # https://urllib3.readthedocs.io/en/latest/user-guide.html#ssl-py2
-requests==2.22.0
+requests==2.31.0
 urllib3[secure]==1.25.7
 
 # The version of gunicorn shipped with Open edX is too old. We want to use a