Update: lastUpdatedDate field added to five Vendor Reports

The lastUpdatedDate field has been added to the following Vendor Reports:

• GET_VENDOR_SALES_REPORT
• GET_VENDOR_NET_PURE_PRODUCT_MARGIN_REPORT
• GET_VENDOR_TRAFFIC_REPORT
• GET_VENDOR_FORECASTING_REPORT
• GET_VENDOR_INVENTORY_REPORT

lastUpdatedDate follows the ISO 8601 date format of YYYY-MM-DD. This change applies to all marketplaces.