code: def update_recurring_item(self, recurring_item_id, recurring_item_dict):
          
          return self._create_put_request(
              resource=RECURRING_ITEMS,
              billomat_id=recurring_item_id,
              send_data=recurring_item_dict
          )
docs: Updates a recurring item
  
          :param recurring_item_id: the recurring item id
          :param recurring_item_dict: dict
          :return: dict