Changes to List all available reporting metrics.

added the optional property errorCode to the response with the 400 status

added the optional property errorCode to the response with the 401 status

added the optional property errorCode to the response with the 403 status

added the optional property errorCode to the response with the 429 status

for the header request parameter x-checkly-account, the format changed from no format to uuid

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

removed the optional property attributes from the response with the 401 status

removed the optional property attributes from the response with the 429 status

added the non-success response with the status 400

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

the response property message became required for the status 401

the response property message became required for the status 403

the response property message became required for the status 429

removed the 401.00 enum value from the statusCode response property for the response status 401

removed the 403.00 enum value from the statusCode response property for the response status 403

removed the 429.00 enum value from the statusCode response property for the response status 429

removed the Forbidden enum value from the error response property for the response status 403

removed the Too Many Requests enum value from the error response property for the response status 429

removed the Unauthorized enum value from the error response property for the response status 401

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

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

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

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

added the new enum value GRPC to the query request parameter checkType

added the new enum value SSL to the query request parameter checkType

added the new enum value TRACEROUTE to the query request parameter checkType