Bump redis from 5.0.2 to 5.0.3

Bumps [redis](https://github.com/redis/redis-rb) from 5.0.2 to 5.0.3.
- [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/v5.0.2...v5.0.3)

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

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

Gemfile.lock

@@ -188,9 +188,9 @@ GEM
       zeitwerk (~> 2.5)
     rainbow (3.1.1)
     rake (13.0.6)
-    redis (5.0.2)
-      redis-client (~> 0.7)
-    redis-client (0.7.1)
+    redis (5.0.3)
+      redis-client (>= 0.7.4)
+    redis-client (0.7.4)
       connection_pool
     regexp_parser (2.5.0)
     reline (0.3.1)