Bump redis from 4.5.0 to 4.5.1 (#2805)

Bumps [redis](https://github.com/redis/redis-rb) from 4.5.0 to 4.5.1.
- [Release notes](https://github.com/redis/redis-rb/releases)
- [Changelog](https://github.com/redis/redis-rb/blob/master/CHANGELOG.md)
- [Commits](https://github.com/redis/redis-rb/compare/v4.5.0...v4.5.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -263,7 +263,7 @@ GEM
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    redis (4.5.0)
+    redis (4.5.1)
     request_store (1.5.0)
       rack (>= 1.4)
     rexml (3.2.5)