64543a028f
This adds two new classes to configure the config groups action_providers and legacy_action_providers in the Mistral configuration. Some config opts were introduced in [1] and others already existed and has been added as well. [1] https://review.opendev.org/c/openstack/mistral/+/944015/3 Change-Id: I6302ff41f1bad8c01defb915077ee621faa05b60