fix(talos): use correct var in taskfile

.taskfiles/Talos/Taskfile.yaml

@@ -66,7 +66,7 @@ tasks:
     desc: Upgrade talos on a node
     cmd: talosctl --nodes {{.node}} upgrade --image {{.image}} --preserve=true --reboot-mode=default
     requires:
-      vars: ["node", "to"]
+      vars: ["node", "image"]
     preconditions:
       - { msg: "Node not found", sh: "talosctl --nodes {{.node}} get machineconfig" }