rasa 2.4.1 on Python PyPI

#8194: Fix TEDPolicy training e2e entities when no entities are present in the stories
but there are entities in the domain.
#8198: Fixed missing model configuration file validation.
#8223: In Rasa 2.4.0, support for using template in utter_message when handling a custom action was wrongly deprecated. Both template and response are now supported, though note that template will be deprecated at Rasa 3.0.0.