Added Azure Linux 2.0 to OS configuration support for k8s 1.25 and higher

Author: schaffererin

articles/aks/cluster-configuration.md

@@ -12,7 +12,7 @@ As part of creating an AKS cluster, you may need to customize your cluster confi
 
 ## OS configuration
 
-AKS supports Ubuntu 22.04 as the only node operating system (OS) for clusters with Kubernetes 1.25 and higher. Ubuntu 18.04 can also be specified at node pool creation for Kubernetes versions 1.24 and below. 
+AKS supports Ubuntu 22.04 and Azure Linux 2.0 as the node operating system (OS) for clusters with Kubernetes 1.25 and higher. Ubuntu 18.04 can also be specified at node pool creation for Kubernetes versions 1.24 and below. 
 
 AKS supports Windows Server 2022 as the default operating system (OS) for Windows node pools in clusters with Kubernetes 1.25 and higher. Windows Server 2019 can also be specified at node pool creation for Kubernetes versions 1.32 and below. Windows Server 2019 is being retired after Kubernetes version 1.32 reaches end of life (EOL) and isn't supported in future releases. For more information about this retirement, see the [AKS release notes][aks-release-notes].