Build(deps): Bump redis-client from 0.15.0 to 0.16.0

Bumps [redis-client](https://github.com/redis-rb/redis-client) from 0.15.0 to 0.16.0.
- [Changelog](https://github.com/redis-rb/redis-client/blob/master/CHANGELOG.md)
- [Commits](redis-rb/redis-client@v0.15.0...v0.16.0)

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

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

Gemfile.lock

@@ -328,7 +328,7 @@ GEM
       ffi (~> 1.0)
     redis (5.0.7)
       redis-client (>= 0.9.0)
-    redis-client (0.15.0)
+    redis-client (0.16.0)
       connection_pool
     regexp_parser (2.8.1)
     request_store (1.5.1)