chore(oas): [10/n] improve oas schemas (#9167)

* chore(oas): [10/n] improve oas schemas

* fix validation error

---------

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

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

@@ -1,7 +1,7 @@
 /**
  * @schema AdminProductVariantDeleteResponse
  * type: object
- * description: SUMMARY
+ * description: The details of the product variant's deletion.
  * x-schemaName: AdminProductVariantDeleteResponse
  * required:
  *   - id
@@ -11,7 +11,7 @@
  *   id:
  *     type: string
  *     title: id
- *     description: The product's ID.
+ *     description: The product variant's ID.
  *   object:
  *     type: string
  *     title: object
@@ -19,7 +19,8 @@
  *   deleted:
  *     type: boolean
  *     title: deleted
- *     description: Whether the Product was deleted.
+ *     description: Whether the product variant was deleted.
+ *     default: "variant"
  *   parent:
  *     $ref: "#/components/schemas/AdminProduct"
  *