chore(deps): update terraform random to v3.8.1

Author: renovate[bot]

terraform/modules/rke2-cluster/versions.tf

@@ -18,7 +18,7 @@ terraform {
     }
     random = {
       source  = "hashicorp/random"
-      version = "3.8.0"
+      version = "3.8.1"
     }
     ssh = {
       source  = "loafoe/ssh"