Updates a confirmation item

        :param confirmation_item_id: the confirmation item id
        :param confirmation_item_dict: dict
        :return: dict

def update_confirmation_item(self, confirmation_item_id, confirmation_item_dict):
        """
        Updates a confirmation item

        :param confirmation_item_id: the confirmation item id
        :param confirmation_item_dict: dict
        :return: dict
        """
        return self._create_put_request(
            resource=CONFIRMATION_ITEMS,
            billomat_id=confirmation_item_id,
            send_data=confirmation_item_dict
        )