Refactor(cli): name set_inv_machine back to set_machine

We don't want to leak information about our internals
Such as 'inv' meaning 'inventory' this is not important from the outside

pkgs/clan-app/ui/src/routes/machines/details.tsx

@@ -391,7 +391,7 @@ const MachineForm = (props: MachineDetailsProps) => {
       return;
     }
 
-    const machine_response = await callApi("set_inv_machine", {
+    const machine_response = await callApi("update_machine", {
       machine: {
         name: props.initialData.machine.name || "My machine",
         flake: {