[miio] fix timestamp for safefiles (openhab#8282)

Fix missing minutes

Signed-off-by: Marcel Verpaalen <marcel@verpaalen.com>

bundles/org.openhab.binding.miio/src/main/java/org/openhab/binding/miio/internal/handler/MiIoVacuumHandler.java

@@ -72,7 +72,7 @@
 public class MiIoVacuumHandler extends MiIoAbstractHandler {
  private final Logger logger = LoggerFactory.getLogger(MiIoVacuumHandler.class);
  private static final float MAP_SCALE = 2.0f;
- private static final SimpleDateFormat DATEFORMATTER = new SimpleDateFormat("yyyyMMdd-HHss");
+ private static final SimpleDateFormat DATEFORMATTER = new SimpleDateFormat("yyyyMMdd-HHmmss");
  private static final String MAP_PATH = ConfigConstants.getUserDataFolder() + File.separator + BINDING_ID
  + File.separator;
  private final ChannelUID mapChannelUid;