chore(docs): Updated API Reference (automated) (#10685)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>
Co-authored-by: Shahed Nasser <27354907+shahednasser@users.noreply.github.com>

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

@@ -211,3 +211,10 @@ properties:
     type: number
     title: display_id
     description: The order's display ID.
+  credit_lines:
+    type: array
+    description: >-
+      The order's credit lines, useful to add additional payment amounts for an
+      order.
+    items:
+      $ref: ./OrderCreditLine.yaml