Merge pull request #185496 from mimckitt/patch-59

Update automatic-extension-upgrade.md

Author: PRMerger15

articles/virtual-machines/automatic-extension-upgrade.md

@@ -72,6 +72,7 @@ Automatic Extension Upgrade supports the following extensions (and more are adde
 - [Application Health Extension](../virtual-machine-scale-sets/virtual-machine-scale-sets-health-extension.md) – Linux and Windows
 - [Guest Configuration Extension](./extensions/guest-configuration.md) – Linux and Windows
 - Key Vault – [Linux](./extensions/key-vault-linux.md) and [Windows](./extensions/key-vault-windows.md)
+- [Azure Monitor Agent](../azure-monitor/agents/azure-monitor-agent-overview.md)
 
 
 ## Enabling Automatic Extension Upgrade