Changes to List authentication providers.

api operation id list_providers removed and replaced with list_auth_providers

api operation id list_auth_providers removed and replaced with list_providers

api operation id list_providers removed and replaced with list_auth_providers

the items response's property type changed from array to object for status 200

api tag auth added

added the required property items/id to the response with the 200 status

added the required property items/name to the response with the 200 status