Changes to Get server information

added the new Unauthorized enum value to the error response property for the response status 401

the response property message became required for the status 401

the error response's property default value Unauthorized was removed for the status 401

the message response's property default value The request requires authentication generate a token using the /token endpoint was removed for the status 401

added the non-success response with the status 401

added the required property api_version to the response with the 200 status