Update index.yml

Author: sdgilley

articles/machine-learning/index.yml

@@ -11,7 +11,8 @@ metadata:
   ms.topic: landing-page
   ms.author: sgilley
   author: sdgilley
-  ms.date: 03/10/2023
+  ms.reviewer: sgilley
+  ms.date: 02/15/2024
   ms.custom: jordan-changes
 # linkListType: architecture | concept | deploy | download | get-started | how-to-guide | learn | overview | quickstart | reference | tutorial | video | whats-new