chore(docs): Generated API Reference (#4706)

Co-authored-by: olivermrbl <olivermrbl@users.noreply.github.com>
Co-authored-by: Shahed Nasser <shahednasser@gmail.com>

docs/api/admin/components/schemas/AdminPostOrderEditsEditLineItemsReq.yaml

@@ -4,11 +4,15 @@ required:
   - quantity
 properties:
   variant_id:
-    description: The ID of the variant ID to add
+    description: The ID of the product variant associated with the item.
     type: string
   quantity:
-    description: The quantity to add
+    description: The quantity of the item.
     type: number
   metadata:
     description: An optional set of key-value pairs to hold additional information.
     type: object
+    externalDocs:
+      description: Learn about the metadata attribute, and how to delete and update it.
+      url: >-
+        https://docs.medusajs.com/development/entities/overview#metadata-attribute