Update the date in markup-china.md

Author: shrutis06

articles/cost-management-billing/manage/markup-china.md

@@ -6,7 +6,7 @@ ms.reviewer: shrshett
 ms.service: cost-management-billing
 ms.subservice: billing
 ms.topic: how-to
-ms.date: 09/22/2025
+ms.date: 03/02/2026
 ms.author: shrshett
 ms.custom: references_regions
 ---