Update create-upload-centos.md

Author: mimckitt

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

@@ -1,11 +1,11 @@
 ---
 title: Create and upload a CentOS-based Linux VHD
 description: Learn to create and upload an Azure virtual hard disk (VHD) that contains a CentOS-based Linux operating system.
-author: mimckitt
+author: gbowerman
 ms.service: virtual-machines-linux
 ms.topic: article
 ms.date: 11/25/2019
-ms.author: mimckitt
+ms.author: guybo
 
 ---
 # Prepare a CentOS-based virtual machine for Azure