build: bump terraform-null-label to 0.6.1 (#3)

Author: SweetOps

main.tf

@@ -1,5 +1,5 @@
 module "label" {
-  source      = "git::https://github.com/SweetOps/terraform-null-label.git?ref=tags/0.6.0"
+  source      = "git::https://github.com/SweetOps/terraform-null-label.git?ref=tags/0.6.1"
   enabled     = "${var.enabled}"
   namespace   = "${var.namespace}"
   name        = "${var.name}"
@@ -15,7 +15,7 @@ resource "google_project" "default" {
   count               = "${var.enabled == "true" ? 1 : 0}"
   name                = "${module.label.id}"
   project_id          = "${module.label.id}"
-  labels              = "${module.label.gcp_list_of_maps}"
+  labels              = "${module.label.gcp_labels}"
   org_id              = "${var.org_id}"
   folder_id           = "${var.folder_id}"
   skip_delete         = "${var.enable_deletion_protection}"