pip: (deps): bump redis from 6.3.0 to 6.4.0

Bumps [redis](https://github.com/redis/redis-py) from 6.3.0 to 6.4.0.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@v6.3.0...v6.4.0)

---
updated-dependencies:
- dependency-name: redis
  dependency-version: 6.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements-prod.txt

@@ -64,7 +64,7 @@ python-dateutil==2.9.0.post0
 pytz==2025.2
 Pygments==2.19.2
 PyYAML==6.0.2
-redis==6.3.0
+redis==6.4.0
 requests==2.32.4
 rich==14.1.0
 ruamel.yaml==0.18.14