Handle `Gitlab::Error::Forbidden`

scripts/review_apps/automated_cleanup.rb

@@ -75,9 +75,11 @@ class AutomatedCleanup
       deployed_at = Time.parse(last_deploy)
 
       if deployed_at < delete_threshold
-        delete_environment(environment, deployment)
-        release = Quality::HelmClient::Release.new(environment.slug, 1, deployed_at.to_s, nil, nil, review_apps_namespace)
-        releases_to_delete << release
+        environment = delete_environment(environment, deployment)
+        if environment
+          release = Quality::HelmClient::Release.new(environment.slug, 1, deployed_at.to_s, nil, nil, review_apps_namespace)
+          releases_to_delete << release
+        end
       elsif deployed_at < stop_threshold
         stop_environment(environment, deployment)
       else
@@ -116,11 +118,17 @@ class AutomatedCleanup
   def delete_environment(environment, deployment)
     print_release_state(subject: 'Review app', release_name: environment.slug, release_date: deployment.created_at, action: 'deleting')
     gitlab.delete_environment(project_path, environment.id)
+
+  rescue Gitlab::Error::Forbidden
+    puts "Review app '#{environment.slug}' is forbidden: skipping it"
   end
 
   def stop_environment(environment, deployment)
     print_release_state(subject: 'Review app', release_name: environment.slug, release_date: deployment.created_at, action: 'stopping')
     gitlab.stop_environment(project_path, environment.id)
+
+  rescue Gitlab::Error::Forbidden
+    puts "Review app '#{environment.slug}' is forbidden: skipping it"
   end
 
   def helm_releases