Fix rubocop offense in update pages service specs

spec/services/projects/update_pages_service_spec.rb

@@ -165,7 +165,7 @@ describe Projects::UpdatePagesService do
   end
   def deploy_status
-    GenericCommitStatus.find_by(name: 'pages:deploy');
+    GenericCommitStatus.find_by(name: 'pages:deploy')
   end
   def execute