chore: use a new uncancelled context for stopping corrosion service

internal/machine/cluster.go

@@ -218,6 +218,9 @@ func (cc *clusterController) Run(ctx context.Context) error {
 	err = errGroup.Wait()
 
 	// It's safe to stop the Corrosion service after the controllers depending on it and API server are stopped.
+	// Use a new context with a timeout as the current context is already canceled.
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
 	if corroErr := cc.corroService.Stop(ctx); corroErr != nil {
 		err = errors.Join(err, fmt.Errorf("stop corrosion service: %w", corroErr))
 	} else {

internal/machine/corroservice/systemd.go

@@ -27,7 +27,7 @@ func (s *SystemdService) Start(ctx context.Context) error {
 	return s.startOrRestart(ctx, "start")
 }
 
-func (s *SystemdService) Stop(ctx context.Context) error {
+func (s *SystemdService) Stop(_ context.Context) error {
 	if _, err := exec.Command("systemctl", "stop", s.Unit).Output(); err != nil {
 		return fmt.Errorf("systemctl stop %s: %w", s.Unit, err)
 	}