Fix return type for entity update methods (#67184)

homeassistant/components/dunehd/media_player.py

@@ -93,11 +93,10 @@ class DuneHDPlayerEntity(MediaPlayerEntity):
         self._state: dict[str, Any] = {}
         self._unique_id = unique_id
 
-    def update(self) -> bool:
+    def update(self) -> None:
         """Update internal status of the entity."""
         self._state = self._player.update_state()
         self.__update_title()
-        return True
 
     @property
     def state(self) -> str | None:

homeassistant/components/fireservicerota/switch.py

@@ -136,16 +136,15 @@ class ResponseSwitch(SwitchEntity):
         """Handle updated incident data from the client."""
         self.async_schedule_update_ha_state(True)
 
-    async def async_update(self) -> bool:
+    async def async_update(self) -> None:
         """Update FireServiceRota response data."""
         data = await self._client.async_response_update()
 
         if not data or "status" not in data:
-            return False
+            return
 
         self._state = data["status"] == "acknowledged"
         self._state_attributes = data
         self._state_icon = data["status"]
 
         _LOGGER.debug("Set state of entity 'Response Switch' to '%s'", self._state)
-        return True