Updates an offer item

        :param offer_item_id: offer item id
        :param offer_item_dict: dict
        :return: dict

def update_offer_item(self, offer_item_id, offer_item_dict):
        """
        Updates an offer item

        :param offer_item_id: offer item id
        :param offer_item_dict: dict
        :return: dict
        """
        return self._create_put_request(resource=OFFER_ITEMS, billomat_id=offer_item_id, send_data=offer_item_dict)