Fix build warning

Author: rmca14

articles/virtual-desktop/whats-new-msixmgr.md

@@ -2,7 +2,7 @@
 title: What's new in the MSIXMGR tool - Azure Virtual Desktop
 description: Learn about what's new in the release notes for the MSIXMGR tool.
 ms.topic: release-notes
-author: fiza-microsoft
+author: fiza-azmi
 ms.author: fizaazmi
 ms.date: 04/18/2023
 ---