fix: Replace deprecated constant

* Replace deprecated constant

STATE_UNLOCKED has been deprecated

* Remove extra space

Fixes #307

custom_components/nodered/binary_sensor.py

@@ -3,12 +3,12 @@
 from numbers import Number
 
 from homeassistant.components.binary_sensor import BinarySensorEntity
+from homeassistant.components.lock import LockState
 from homeassistant.const import (
  CONF_STATE,
  STATE_HOME,
  STATE_ON,
  STATE_OPEN,
- STATE_UNLOCKED,
 )
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 
@@ -45,7 +45,7 @@ class NodeRedBinarySensor(NodeRedEntity, BinarySensorEntity):
  STATE_ON,
  STATE_OPEN,
  STATE_HOME,
- STATE_UNLOCKED,
+ LockState.UNLOCKED,
  )
  _component = CONF_BINARY_SENSOR