fix some typos [ci skip]

modules/kubernetes/actualbudget/main.tf

@@ -18,7 +18,7 @@ resource "kubernetes_namespace" "actualbudget" {
 
 module "tls_secret" {
   source          = "../setup_tls_secret"
-  namespace       = kubernetes_namespace.actualbudget
+  namespace       = kubernetes_namespace.actualbudget.metadata[0].name
   tls_secret_name = var.tls_secret_name
 }
 

modules/kubernetes/setup_tls_secret/main.tf

@@ -1,4 +1,4 @@
-variable "namespace" {}
+variable "namespace" { type = string }
 variable "tls_secret_name" {}
 variable "tls_crt" {
   default = ""

modules/kubernetes/vault/main.tf

@@ -35,8 +35,8 @@ resource "kubernetes_persistent_volume" "vault_data" {
 
 resource "helm_release" "vault" {
   namespace        = kubernetes_namespace.vault.metadata[0].name
-  create_namespace = true
   name             = "vault"
+  atomic           = true
 
   repository = "https://helm.releases.hashicorp.com"
   chart      = "vault"