Updates a confirmation

        :param confirmation_id: the confirmation id
        :param confirmation_dict: dict
        :return: dict

def update_confirmation(self, confirmation_id, confirmation_dict):
        """
        Updates a confirmation

        :param confirmation_id: the confirmation id
        :param confirmation_dict: dict
        :return: dict
        """
        return self._create_put_request(
            resource=CONFIRMATIONS,
            billomat_id=confirmation_id,
            send_data=confirmation_dict
        )