Bump redis from 5.0.8 to 5.2.0

Bumps [redis](https://github.com/redis/redis-py) from 5.0.8 to 5.2.0.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@v5.0.8...v5.2.0)

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

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

requirements-optional.txt

@@ -1,7 +1,7 @@
 # For running tests and checking code quality using these modules.
 flake8==7.1.1
 pytest-cov==5.0.0
-redis==5.0.8
+redis==5.2.0
 pre-commit==3.8.0
 
 # For generating documentation.