Add auto dim led panel

typings/sense_hat/sense_hat.pyi

@@ -106,7 +106,7 @@ class SenseHat:
     def gamma(self): ...
     @gamma.setter
     def gamma(self, buffer): ...
-    def gamma_reset(self):  # -> None:
+    def gamma_reset(self) -> None:  # -> None:
         """
         Resets the LED matrix gamma correction to default
         """
@@ -213,7 +213,9 @@ class SenseHat:
     def accel(self): ...
     @property
     def accelerometer(self): ...
-    def get_accelerometer_raw(self):  # -> dict[str, Any] | dict[str, int]:
+    def get_accelerometer_raw(
+        self,
+    ) -> dict[str, int]:  # -> dict[str, Any] | dict[str, int]:
         """
         Accelerometer x y z raw data in Gs
         """