docs: fix to OAS generator following Zod update + generate API reference (#13030)

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

@@ -0,0 +1,15 @@
+type: object
+description: The payment collection's details.
+required:
+  - order_id
+  - amount
+properties:
+  order_id:
+    type: string
+    title: order_id
+    description: The ID of the associated order.
+  amount:
+    type: number
+    title: amount
+    description: The amount to be paid.
+x-schemaName: AdminCreatePaymentCollection