Update Terraform vault to v5

Author: renovate-bot

contrib/terraform/modules/vault/tf_provider.tf

@@ -3,7 +3,7 @@ terraform {
   required_providers {
     vault = {
       source  = "hashicorp/vault"
-      version = "4.8.0"
+      version = "5.3.0"
     }
   }
 }