Bump sidekiq from 6.5.5 to 6.5.6 (#19081)

Bumps [sidekiq](https://github.com/mperham/sidekiq) from 6.5.5 to 6.5.6.
- [Release notes](https://github.com/mperham/sidekiq/releases)
- [Changelog](https://github.com/mperham/sidekiq/blob/main/Changes.md)
- [Commits](https://github.com/mperham/sidekiq/compare/v6.5.5...v6.5.6)

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

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

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

Gemfile.lock

@@ -610,10 +610,10 @@ GEM
       activerecord (>= 4.0.0)
       railties (>= 4.0.0)
     semantic_range (3.0.0)
-    sidekiq (6.5.5)
-      connection_pool (>= 2.2.2)
+    sidekiq (6.5.6)
+      connection_pool (>= 2.2.5)
       rack (~> 2.0)
-      redis (>= 4.5.0)
+      redis (>= 4.5.0, < 5)
     sidekiq-bulk (0.2.0)
       sidekiq
     sidekiq-scheduler (4.0.2)