Merge pull request rails#47585 from deepakmahakale/patch-1

Add nodoc for SourcesController

Author: rafaelfranca

actionmailbox/app/controllers/rails/conductor/action_mailbox/inbound_emails/sources_controller.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 module Rails
-  class Conductor::ActionMailbox::InboundEmails::SourcesController < Rails::Conductor::BaseController
+  class Conductor::ActionMailbox::InboundEmails::SourcesController < Rails::Conductor::BaseController # :nodoc:
     def new
     end