Revert node/set_motion_sensitivity_level() typing

Author: bouwew

plugwise_usb/nodes/node.py

@@ -787,9 +787,7 @@ async def set_motion_reset_timer(self, minutes: int) -> bool:
         raise NotImplementedError()
 
     @raise_not_loaded
-    async def set_motion_sensitivity_level(
-        self, level: MotionSensitivity | int | str
-    ) -> bool:
+    async def set_motion_sensitivity_level(self, level: MotionSensitivity) -> bool:
         """Configure motion sensitivity level."""
         if NodeFeature.MOTION not in self._features:
             raise FeatureError(