Bump redis from 5.0.7 to 5.0.8 in /requirements

Bumps [redis](https://github.com/redis/redis-py) from 5.0.7 to 5.0.8.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@v5.0.7...v5.0.8)

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

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

Author: dependabot[bot]

requirements/prod.txt

@@ -2,5 +2,5 @@
 django-pylibmc==0.6.1
 django-redis-cache==3.0.1
 pylibmc==1.6.3
-redis==5.0.7
+redis==5.0.8
 sentry-sdk==2.11.0