Enable pod security policies for AKS cluster

Azure Policy built-in definitions for Azure Kubernetes Service

For new OSDU deployment on Azure, make sure the following security policies are enabled for AKS Built-in policy definitions for Azure Kubernetes Service - Azure Kubernetes Service | Microsoft Docs

• Enable AKS Policies for osdu-azure namespace
• Enable AKS policies for istio-system namespace
• Enable AKS policies for airflow2 namespace
• Move csi secrets to kube-system as recommended by Microsoft docs Docs
• Fix non compliant policies - Allow Authorized IP Ranges, Enable private clusters.
• Documentation on how to enable the feature and fix compliance issues.