Change the recent fix to #97 to use async_schedule_update_ha_state instead

Author: fredck

custom_components/lightener/light.py

@@ -158,7 +158,7 @@ async def async_turn_on(self, **kwargs: Any) -> None:
         else:
             # Update the Lightener brightness level to the one being set.
             self._attr_brightness = brightness
-            await self.async_update_ha_state()
+            self.async_schedule_update_ha_state()
 
         for entity in self._entities:
             service = SERVICE_TURN_ON