Fix namespace in cross project pipeline worker

ee/app/workers/ci/create_cross_project_pipeline_worker.rb

 # frozen_string_literal: true
 
-class CreateCrossProjectPipelineWorker
-  include ::ApplicationWorker
-  include ::PipelineQueue
+module Ci
+  class CreateCrossProjectPipelineWorker
+    include ::ApplicationWorker
+    include ::PipelineQueue
 
-  def perform(bridge_id)
-    ::Ci::Bridge.find(bridge_id).try do |bridge|
-      ::Ci::CreateCrossProjectPipelineService
-        .new(bridge.project, bridge.user)
-        .execute(bridge)
+    def perform(bridge_id)
+      ::Ci::Bridge.find(bridge_id).try do |bridge|
+        ::Ci::CreateCrossProjectPipelineService
+          .new(bridge.project, bridge.user)
+          .execute(bridge)
+      end
     end
   end
 end