chore: update bootstrap flow to clone golden image and track v2 branch

opentofu/nodes/mikoshi/main.tf

@@ -59,12 +59,9 @@ resource "proxmox_virtual_environment_vm" "control_center" {
     bridge = "vmbr0"
   }
 
-  disk {
-    datastore_id = "data"
-    file_id      = "local:iso/nixos-minimal.iso" # TODO Replace with actual ISO or use Clone
-    interface    = "scsi0"
-    size         = 20
-    file_format  = "raw"
+  clone {
+    vm_id = 9000
+    full  = true
   }
 
   # Cloud-Init for initial SSH access and SOPS age key injection