Remove experimental flag for use in latest terraform

main.tf

@@ -1,15 +1,15 @@
-resource "local_file" "kubeconfig" {
-  sensitive_content = templatefile("${path.module}/kubeconfig-template.tpl", { contexts = var.contexts, clusters = var.clusters, users = var.users, colors = var.colors, current_context = var.current_context })
+resource "local_sensitive_file" "kubeconfig" {
+  content = templatefile("${path.module}/kubeconfig-template.tpl", { contexts = var.contexts, clusters = var.clusters, users = var.users, colors = var.colors, current_context = var.current_context })
   filename          = "./${var.filename}"
 }
 
 output "kubeconfig_path" {
-  value       = local_file.kubeconfig.filename
+  value       = local_sensitive_file.kubeconfig.filename
   description = "Path to the kubeconfig file"
 }
 
 output "kubeconfig_content" {
-  value       = yamldecode(local_file.kubeconfig.sensitive_content)
+  value       = yamldecode(local_sensitive_file.kubeconfig.content)
   description = "HCL representation of kubeconfig file contents"
   sensitive   = true
 }

providers.tf

@@ -1,10 +1,9 @@
 terraform {
-  experiments      = [module_variable_optional_attrs]
-  required_version = ">=0.15.0"
+  required_version = ">=1.3.0"
   required_providers {
     local = {
       source  = "hashicorp/local"
       version = ">=2.0.0"
     }
   }
-}
+}