docs: generate OAS manually for 2.7.0 (#12158)

* original changes

* changes

* fixes for delete operations

* generate oas

www/apps/api-reference/specs/admin/components/schemas/AdminUpdateDraftOrderItem.yaml

@@ -0,0 +1,22 @@
+type: object
+description: The updates to make on a draft order's item.
+x-schemaName: AdminUpdateDraftOrderItem
+required:
+  - quantity
+properties:
+  quantity:
+    type: number
+    title: quantity
+    description: The item's quantity.
+  unit_price:
+    type: number
+    title: unit_price
+    description: The item's unit price.
+  compare_at_unit_price:
+    type: number
+    title: compare_at_unit_price
+    description: The original price of the item before a promotion or sale.
+  internal_note:
+    type: string
+    title: internal_note
+    description: A note viewed only by admin users about the item.