Merge pull request #212987 from SnehaSudhirG/29Sep-AZ-whatsnew

added the info for sept

Author: prmerger-automator[bot]

articles/automation/whats-new.md

@@ -21,7 +21,11 @@ Azure Automation receives improvements on an ongoing basis. To stay up to date w
 
 This page is updated monthly, so revisit it regularly. If you're looking for items older than six months, you can find them in [Archive for What's new in Azure Automation](whats-new-archive.md).
 
+## September 2022
 
+### Availability zones support for Azure Automation
+
+Azure Automation now supports [Azure availability zones](../availability-zones/az-overview.md#availability-zones) to provide improved resiliency and high availability to a service instance in a specific Azure region. [Learn more](https://learn.microsoft.com/azure/automation/automation-availability-zones).
 
 ## July 2022