updateProjectCard(cardId, options, cb) {
      return this._request('PATCH', `/projects/columns/cards/${cardId}`, options, cb);
   }
Edit a card
@see https://developer.github.com/v3/projects/cards/#update-a-project-card
@param {string} cardId - the card id
@param {Object} options - the description of the card
@param {Requestable.callback} cb - will receive the modified card
@return {Promise} - the promise for the http request