Changes to Create or update one rate limit rule

added the new internal_error enum value to the type response property for the response status 400

added the new internal_error enum value to the type response property for the response status 401

added the new internal_error enum value to the type response property for the response status 403

added the new internal_error enum value to the type response property for the response status 503

added the new permission_error enum value to the type response property for the response status 400

added the new permission_error enum value to the type response property for the response status 401

added the new permission_error enum value to the type response property for the response status 503

added the non-success response with the status 403

added the new optional request property per_child

added the optional property rate_limits/items/effective_subject to the response with the 200 status

added the optional property rate_limits/items/per_child to the response with the 200 status

endpoint added