chore: fix oas errors (#8982)

Fix indentation and missing values in OAS resulting in an error when generating the specs in the API reference

www/utils/generated/oas-output/operations/admin/post_admin_products_[id]_variants_inventory-items_batch.ts

@@ -25,7 +25,7 @@
  *         properties:
  *           create:
  *             type: array
- *             description: 
+ *             description: The The associations to create between product variants and inventory items.
  *             items:
  *               type: object
  *               description: The associations to create between a product variant and an inventory item.

www/utils/generated/oas-output/operations/admin/post_admin_shipping-options_[id].ts

@@ -213,7 +213,6 @@
  *                     attribute:
  *                       type: string
  *                       title: attribute
- *                       description: The rule's attribute.
  *                       description: The name of a property or table that the rule applies to.
  *                       example: customer_group
  *                     value: