VTex Notify marketplace of price update

This endpoint is used by *sellers* to notify marketplaces that the price has changed for one of their SKUs. There is no request body in this call, indicating the new price value, for instance. It only notifies a specific marketplace (`accountName`) that a seller (`sellerId`) has changed the price of an SKU (`skuId`). *Marketplaces* will then call the [fulfillment endpoint](https://developers.vtex.com/vtex-rest-api/reference/fulfillment-simulation) provided in the seller registration form ...