Added tags to gke-cluster module

tests/modules/gke_cluster/fixture/main.tf

@@ -25,4 +25,5 @@ module "test" {
   }
   enable_addons   = var.enable_addons
   enable_features = var.enable_features
+  tags            = var.tags
 }

tests/modules/gke_cluster/fixture/variables.tf

@@ -35,3 +35,9 @@ variable "monitoring_config" {
     managed_prometheus = true
   }
 }
+
+variable "tags" {
+  description = "Network tags applied to nodes."
+  type        = list(string)
+  default     = null
+}