Updated Azure AD Provider to 2.0

Updated Azure AD Provider to 2.0
Equivalent changes implemented in Azure AD Resource 06-aks-administrators-azure-ad.tf

Author: stacksimplify

terraform-manifests/06-aks-administrators-azure-ad.tf

@@ -1,5 +1,7 @@
 # Create Azure AD Group in Active Directory for AKS Admins
 resource "azuread_group" "aks_administrators" {
-  name        = "${azurerm_resource_group.aks_rg.name}-administrators"
-  description = "Azure AKS Kubernetes administrators for the ${azurerm_resource_group.aks_rg.name}-administrators cluster."
-}
+  #name        = "${azurerm_resource_group.aks_rg.name}-${var.environment}-administrators"
+  display_name        = "${azurerm_resource_group.aks_rg.name}-${var.environment}-administrators"
+  description = "Azure AKS Kubernetes administrators for the ${azurerm_resource_group.aks_rg.name}-${var.environment} cluster."
+  security_enabled = true
+}