Bump redis from 4.4.0 to 4.5.1

Bumps [redis](https://github.com/redis/redis-py) from 4.4.0 to 4.5.1.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@v4.4.0...v4.5.1)

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

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

requirements/base.txt

@@ -2,7 +2,7 @@ pytz==2022.7  # https://github.com/stub42/pytz
 python-slugify==6.1.2  # https://github.com/un33k/python-slugify
 Pillow==9.4.0  # https://github.com/python-pillow/Pillow
 argon2-cffi==21.3.0  # https://github.com/hynek/argon2_cffi
-redis==4.4.0  # https://github.com/redis/redis-py
+redis==4.5.1  # https://github.com/redis/redis-py
 hiredis==2.0.0  # https://github.com/redis/hiredis-py
 celery==5.2.7  # pyup: < 6.0  # https://github.com/celery/celery
 django-celery-beat==2.4.0  # https://github.com/celery/django-celery-beat