oas: [2/n] improve schema oas (#9040)

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

@@ -1,7 +1,7 @@
 /**
  * @schema AdminCreateProductVariantPrice
  * type: object
- * description: The price's prices.
+ * description: The details of a variant's price.
  * x-schemaName: AdminCreateProductVariantPrice
  * required:
  *   - currency_code
@@ -18,14 +18,16 @@
  *   min_quantity:
  *     type: number
  *     title: min_quantity
- *     description: The price's min quantity.
+ *     description: The minimum quantity that must be available in the cart for this price to apply.
  *   max_quantity:
  *     type: number
  *     title: max_quantity
- *     description: The price's max quantity.
+ *     description: The maximum quantity that must not be surpassed in the cart for this price to apply.
  *   rules:
  *     type: object
  *     description: The price's rules.
+ *     example:
+ *       region_id: reg_123
  * 
 */