post https://marketplace.walmartapis.com/v3/orders//cancel
Cancel one or more order lines by providing a purchaseOrderId.
After canceling the order, update the inventory for the canceled item and include it in the next inventory feed.
The response to a successful call contains the order with the canceled line item.
Supported cancellation reasons:
ERROR_DE_PRECIOAGOTADORECHAZAR(only for orders inNEWorCREATEDstatus)