Update metrics.md

Author: v-emilypr

articles/communication-services/concepts/advanced-messaging/metrics.md

@@ -2,9 +2,9 @@
 title: Advanced Messaging metrics definitions for Azure Communication Service
 titleSuffix: An Azure Communication Services concept document
 description: This document covers definitions of Advanced Messaging metrics available in the Azure portal.
-author: memontic-ms
+author: Shamkh
 services: azure-communication-services
-ms.author: memontic
+ms.author: shamkh
 ms.date: 07/18/2024
 ms.topic: conceptual
 ms.service: azure-communication-services