Update alerts-create-metric-alert-rule.yml

Adding required ms.service metadata for accurate reporting. Note that this required metadata is not being automatically applied through a docfx.json or other means.

Author: AarDavMax

articles/azure-monitor/alerts/alerts-create-metric-alert-rule.yml

@@ -4,6 +4,8 @@ metadata:
   title: Create Azure Monitor metric alert rules
   description: This article shows you how to create a new metric alert rule.
   author: AbbyMSFT
+  ms.service: azure-monitor
+  ms.subservice: alerts
   ms.author: abbyweisberg
   ms.reviewer: harelbr
   ms.date: 03/07/2024