Merge branch 'terrichu-master-patch-89346' into 'master'

Update docs add sidekiq worker to existing namespace

See merge request gitlab-org/gitlab!47679

doc/development/sidekiq_style_guide.md

@@ -27,7 +27,10 @@ After adding a new queue, run `bin/rake
 gitlab:sidekiq:all_queues_yml:generate` to regenerate
 `app/workers/all_queues.yml` or `ee/app/workers/all_queues.yml` so that
 it can be picked up by
-[`sidekiq-cluster`](../administration/operations/extra_sidekiq_processes.md).
+[`sidekiq-cluster`](../administration/operations/extra_sidekiq_processes.md). 
+Additionally, run
+`bin/rake gitlab:sidekiq:sidekiq_queues_yml:generate` to regenerate
+`config/sidekiq_queues.yml`.
 
 ## Queue Namespaces