Updates event type to use Animated event.

Author: alexkendall

src/WheelPicker.tsx

@@ -156,7 +156,12 @@ const WheelPicker: React.FC<Props> = ({
         showsVerticalScrollIndicator={false}
         onScroll={Animated.event(
           [{ nativeEvent: { contentOffset: { y: scrollY } } }],
-          { useNativeDriver: true, listener: (event) => handleScroll(event) },
+          {
+            useNativeDriver: true,
+            listener: (event: {
+              nativeEvent: Animated.EventConfig<NativeScrollEvent>;
+            }) => handleScroll(event),
+          },
         )}
         onMomentumScrollEnd={handleMomentumScrollEnd}
         snapToOffsets={offsets}