Merge pull request #250840 from EdB-MSFT/update-deprecation-timeline

updated timeline

Author: prmerger-automator[bot]

articles/azure-monitor/essentials/migrate-to-azure-storage-lifecycle-policy.md

@@ -20,7 +20,7 @@ This guide walks you through migrating from using Azure diagnostic settings stor
 > [!IMPORTANT]
 > **Deprecation Timeline.**
 > - March 31, 2023 –  The Diagnostic Settings Storage Retention feature will no longer be available to configure new retention rules for log data. This includes using the portal, CLI PowerShell, and ARM and Bicep templates.  If you have configured retention settings, you'll still be able to see and change them in the portal. 
-> - September 30, 2023 –  You will no longer be able to use the API (CLI, Powershell, or templates), or Azure portal to configure retention setting unless you're changing them to *0*. Existing retention rules will still be respected.
+> - March 31, 2024 –  You will no longer be able to use the API (CLI, Powershell, or templates), or Azure portal to configure retention setting unless you're changing them to *0*. Existing retention rules will still be respected.
 > - September 30, 2025 –  All retention functionality for the Diagnostic Settings Storage Retention feature will be disabled across all environments.