update ms.date

Author: AbbyMSFT

articles/azure-monitor/alerts/alerts-dynamic-thresholds.md

@@ -5,7 +5,7 @@ author: AbbyMSFT
 ms.author: abbyweisberg
 ms.reviewer: yalavi
 ms.topic: conceptual
-ms.date: 2/23/2022
+ms.date: 05/28/2023
 ---
 
 # Dynamic thresholds in metric alerts

articles/azure-monitor/alerts/alerts-enable-template.md

@@ -2,7 +2,7 @@
 title: Resource Manager template - create metric alert
 description: Learn how to use a Resource Manager template to create a classic metric alert to receive notifications by email or webhook.
 ms.topic: conceptual
-ms.date: 03/30/2022
+ms.date: 05/28/2023
 ms.reviewer: harelbr
 ---
 # Create a classic metric alert rule with a Resource Manager template

articles/azure-monitor/alerts/alerts-resource-move.md

@@ -3,7 +3,7 @@ title: How to update alert rules or alert processing rules when their target res
 description: Background and instructions for how to update alert rules or alert processing rules when their target resource moves to a different Azure region. 
 ms.topic: how-to
 ms.custom: subject-moving-resources
-ms.date: 2/23/2022
+ms.date: 05/28/2023
 ms.reviewer: ofmanor
 ---
 # How to update alert rules or alert processing rules when their target resource moves to a different Azure region

articles/azure-monitor/alerts/alerts-webhooks.md

@@ -2,7 +2,7 @@
 title: Call a webhook with a classic metric alert in Azure Monitor
 description: Learn how to reroute Azure metric alerts to other, non-Azure systems.
 ms.topic: conceptual
-ms.date: 2/23/2022
+ms.date: 05/28/2023
 ms.reviewer: harelbr
 ---
 # Call a webhook with a classic metric alert in Azure Monitor