fix: hide overflow in TabViewAnimated

We render tabs as sheets next to each other by default. So the inactive tabs are visible outside the screen's bounds unless we hide the overflow.

src/TabViewAnimated.js

@@ -13,6 +13,7 @@ import type { NavigationState, Route, SceneRendererProps } from './TabViewTypeDe
 const styles = StyleSheet.create({
   container: {
     flex: 1,
+    overflow: 'hidden',
   },
 });