Move worker to gcp_project namespace

app/workers/all_queues.yml

@@ -22,6 +22,7 @@
 - gcp_cluster:cluster_provision
 - gcp_cluster:cluster_wait_for_app_installation
 - gcp_cluster:wait_for_cluster_creation
+- gcp_cluster:check_gcp_project_billing
 
 - github_import_advance_stage
 - github_importer:github_import_import_diff_note
@@ -97,7 +98,6 @@
 - update_user_activity
 - upload_checksum
 - web_hook
-- check_gcp_project_billing
 
 # EE-specific queues
 - cronjob:clear_shared_runners_minutes

app/workers/check_gcp_project_billing_worker.rb

 class CheckGcpProjectBillingWorker
   include ApplicationWorker
+  include ClusterQueue
 
   LEASE_TIMEOUT = 15.seconds.to_i