Bump requests from 2.25.1 to 2.31.0 in /containers/stats

Bumps [requests](https://github.com/psf/requests) from 2.25.1 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/v2.25.1...v2.31.0)

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

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

containers/stats/requirements.txt

@@ -17,7 +17,7 @@ python-dateutil==2.8.1
 python-fsutil==0.5.0
 python-slugify==5.0.2
 pyyaml==5.4.1
-requests==2.25.1
+requests==2.31.0
 six==1.16.0
 smmap==4.0.0
 text-unidecode==1.3