fix: ensure camera rotation speed is time-dependent

fix gdquest-demos#19

Player/CameraController.gd

@@ -36,7 +36,7 @@ func _unhandled_input(event: InputEvent) -> void:
 		_tilt_input = -event.relative.y * mouse_sensitivity
 
 
-func _physics_process(delta: float) -> void:
+func _process(delta: float) -> void:
 	if not _anchor:
 		return