Changes to Get a traffic policy

the backends/items/role response's property type changed from string to no type for status 200

the endpoint response's property type changed from object to no type for status 200

the mode response's property type changed from string to no type for status 200

the phase response's property type changed from string to no type for status 200

removed the optional property endpoint/hostname from the response with the 200 status

removed the optional property endpoint/path from the response with the 200 status

added TrafficPolicyBackendRole to the backends/items/role response property allOf list for the response status 200

added TrafficPolicyEndpoint to the endpoint response property allOf list for the response status 200

added TrafficPolicyMode to the mode response property allOf list for the response status 200

added TrafficPolicyPhase to the phase response property allOf list for the response status 200

removed the Creating enum value from the phase response property for the response status 200

removed the Degraded enum value from the phase response property for the response status 200

removed the Deleted enum value from the phase response property for the response status 200

removed the Deleting enum value from the phase response property for the response status 200

removed the Failed enum value from the phase response property for the response status 200

removed the Pending enum value from the phase response property for the response status 200

removed the Ready enum value from the phase response property for the response status 200

removed the canary enum value from the backends/items/role response property for the response status 200

removed the canary enum value from the mode response property for the response status 200

removed the member enum value from the backends/items/role response property for the response status 200

removed the stable enum value from the backends/items/role response property for the response status 200

removed the weighted enum value from the mode response property for the response status 200