Changes to Get All Models

removed the vegas_gateway enum value from the items/integration response property for the response status 200

added the optional property items/deprecation_date to the response with the 200 status

added the optional property items/lifecycle_state to the response with the 200 status

added the optional property items/replacement_alias to the response with the 200 status

added the optional property items/retirement_date to the response with the 200 status

the endpoint scheme security ClassicAPIKeyHeader was added to the API