load balancer - update metadata

Updated author and tutorial metadata

Author: mbender-ms

articles/load-balancer/tutorial-protect-load-balancer-ddos.md

@@ -2,11 +2,11 @@
 title: "Tutorial: Protect your public load balancer with Azure DDoS Protection Standard"
 titleSuffix: Azure Load Balancer
 description: Learn how to set up a public load balancer and protect it with Azure DDoS protection.
-author: duongau
+author: mbender-ms
 ms.service: load-balancer
-ms.topic: quickstart
+ms.topic: tutorial
 ms.date: 12/21/2022
-ms.author: duau
+ms.author: mbender
 ms.custom: template-tutorial
 ---
 
@@ -377,4 +377,4 @@ When no longer needed, delete the resource group, load balancer, and all related
 Advance to the next article to learn how to:
 
 > [!div class="nextstepaction"]
-> [Create a public load balancer with an IP-based backend](tutorial-load-balancer-ip-backend-portal.md)
+> [Create a public load balancer with an IP-based backend](tutorial-load-balancer-ip-backend-portal.md)