Update create-upload-ubuntu.md

Author: mimckitt

articles/virtual-machines/linux/create-upload-ubuntu.md

@@ -1,11 +1,11 @@
 ---
 title: Create and upload an Ubuntu Linux VHD in Azure
 description: Learn to create and upload an Azure virtual hard disk (VHD) that contains an Ubuntu Linux operating system.
-author: mimckitt
+author: gbowerman
 ms.service: virtual-machines-linux
 ms.topic: article
 ms.date: 06/24/2019
-ms.author: mimckitt
+ms.author: guybo
 
 ---
 # Prepare an Ubuntu virtual machine for Azure