enable_private_path_for_google_cloud_services added to CloudSQL (#2726)

* enable_private_path_for_google_cloud_services added to CloudSQL

* name of the variable changed

* new feature added to the replica as well

* Update simple.yaml enable_private_path_for_google_cloud_services: false

modules/cloudsql-instance/variables.tf

@@ -194,7 +194,8 @@ variable "network_config" {
           replica = optional(string)
         }))
       }))
-      psc_allowed_consumer_projects = optional(list(string))
+      psc_allowed_consumer_projects    = optional(list(string))
+      enable_private_path_for_services = optional(bool, false)
     })
   })
   validation {