patch https://api.codepost.io/rubriccategories/
Behavior
Updates the specified rubric category by setting the values of the parameters passed. Any parameters not provided will be left unchanged. If the pointLimit field is updated, this grade field of all Submissions containing Comments linked to Rubric Comments from this rubric category will be re-calculated automatically to reflect the new pointLimit.
Returns
Returns the updated rubric category if the update succeeded. This call will raise an error if update parameters are invalid.