Update index.yml

Author: rmca14

articles/defender-for-cloud/index.yml

@@ -6,7 +6,7 @@ summary: Microsoft Defender for Cloud provides unified security management and a
 metadata:
   title: Microsoft Defender for Cloud documentation
   description: Get started with Defender for Cloud, learn how to secure your workloads, limit risks, and detect and respond to attacks with our quickstarts & tutorials.
-  author: elkrieger
+  author: ElazarK
   ms.author: elkrieger
   manager: raynew
   ms.topic: landing-page