feat: postgres public connections

Author: patrickmoore-nc

infrastructure/modules/container-apps/postgres.tf

@@ -45,6 +45,8 @@ module "postgres" {
     private_endpoint_resource_group_name = azurerm_resource_group.main.name
     private_service_connection_is_manual = false
   } : null
+  
+  public_network_access_enabled = !var.features.private_networking
 
   databases = {
     db1 = {