Update document translation quickstart date

Author: laujan

articles/ai-services/translator/document-translation/quickstarts/rest-api.md

@@ -7,7 +7,7 @@ ms.author: lajanuar
 manager: nitinme
 ms.service: azure-ai-translator
 ms.topic: quickstart
-ms.date: 07/17/2025
+ms.date: 09/29/2025
 ---
 
 # Get started: Document translation REST APIs