fix: add missing newline to gpio-switch state output

Signed-off-by: Fabian Wienand <fabian.wienand@blindspot.software>

Author: RiSKeD

pkg/module/gpio/gpio.go

@@ -276,7 +276,7 @@ func (s *Switch) Run(_ context.Context, sesh module.Session, args ...string) err
 	log.Println("gpio.Switch module: Run called")
 
 	if len(args) == 0 {
-		sesh.Print(fmt.Sprintf("Current state: %s", s.state))
+		sesh.Printf("Current state: %s\n", s.state)
 
 		return nil
 	}