Move Rack::Attack prepend outside class definition

config/initializers/rack_attack_global.rb

@@ -43,8 +43,6 @@ class Rack::Attack
   end
 
   class Request
-    prepend ::EE::Gitlab::Rack::Attack::Request # rubocop: disable Cop/InjectEnterpriseEditionModule
-
     def unauthenticated?
       !authenticated_user_id([:api, :rss, :ics])
     end
@@ -70,3 +68,5 @@ class Rack::Attack
     end
   end
 end
+
+::Rack::Attack::Request.prepend(::EE::Gitlab::Rack::Attack::Request)