chore(docs): Generated API Reference (automated) (#9962)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>

www/utils/generated/oas-output/schemas/OrderLineItem.ts

@@ -194,6 +194,10 @@
  *     type: number
  *     title: refundable_total_per_unit
  *     description: The total amount that can be refunded of a single quantity of the item.
+ *   product_type_id:
+ *     type: string
+ *     title: product_type_id
+ *     description: The item's product type id.
  * 
 */