Bump redis from 6.4.0 to 7.1.0 in /requirements

Bumps [redis](https://github.com/redis/redis-py) from 6.4.0 to 7.1.0.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@v6.4.0...v7.1.0)

---
updated-dependencies:
- dependency-name: redis
  dependency-version: 7.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements/prod.txt

@@ -1,5 +1,5 @@
 -r common.txt
 gunicorn==23.0.0
 psycopg[c]==3.2.13
-redis==6.4.0
+redis==7.1.0
 sentry-sdk==2.43.0