Update concepts-cluster-upgrade-overview.md

Author: santhosh-kumar-cm

articles/operator-nexus/concepts-cluster-upgrade-overview.md

@@ -5,7 +5,7 @@ author: matternst7258
 ms.author: matthewernst
 ms.service: azure-operator-nexus
 ms.topic: conceptual
-ms.date: 11/11/2024
+ms.date: 05/14/2025
 ms.custom: template-concept
 ---