Merge pull request #17545 from marzapower/dirty_public_api

[Enh] Made the ActiveModel::Dirty#clear_attribute_changes method public

activemodel/lib/active_model/dirty.rb

@@ -255,7 +255,7 @@ def set_attribute_was(attr, old_value)
       end
 
       # Remove changes information for the provided attributes.
-      def clear_attribute_changes(attributes)
+      def clear_attribute_changes(attributes) # :doc:
         attributes_changed_by_setter.except!(*attributes)
       end
   end