Bump requests from 2.28.2 to 2.31.0

Bumps [requests](https://github.com/psf/requests) from 2.28.2 to 2.31.0.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](https://github.com/psf/requests/compare/v2.28.2...v2.31.0)

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

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

requirements.txt

@@ -17,7 +17,7 @@ Markdown==3.4.3
 Pillow==9.4.0
 psycopg2-binary==2.9.5
 python-dotenv==0.21.0
-requests==2.28.2
+requests==2.31.0
 six==1.16.0
 webdavclient3==3.14.6
 whitenoise==6.2.0