Update dsc-template.md

freshness update, updating ms.date tag.
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cc: @MGoedtel

Author: ericd-mst-github

articles/virtual-machines/extensions/dsc-template.md

@@ -12,7 +12,7 @@ ms.collection: windows
 ms.topic: article
 ms.tgt_pltfrm: vm-windows
 ms.workload: na
-ms.date: 02/09/2021
+ms.date: 03/13/2022
 ms.author: magoedte
 ---
 # Desired State Configuration extension with Azure Resource Manager templates