chore(docs): update ViewPager2 link in the README file (#870)

Link to androidx viewpager2 documentation.

README.md

@@ -8,7 +8,7 @@
 [![iOS Build](https://github.com/callstack/react-native-pager-view/actions/workflows/ios.yml/badge.svg)](https://github.com/callstack/react-native-pager-view/actions/workflows/ios.yml)
 [![Android Build](https://github.com/callstack/react-native-pager-view/actions/workflows/android.yml/badge.svg)](https://github.com/callstack/react-native-pager-view/actions/workflows/android.yml)
 
-This component allows the user to swipe left and right through pages of data. Under the hood it is using the native [Android ViewPager](https://developer.android.com/reference/android/support/v4/view/ViewPager) and the [iOS UIPageViewController](https://developer.apple.com/documentation/uikit/uipageviewcontroller) implementations. [See it in action!](https://github.com/callstack/react-native-pager-view#preview)
+This component allows the user to swipe left and right through pages of data. Under the hood it is using the native [Android ViewPager](https://developer.android.com/jetpack/androidx/releases/viewpager2) and the [iOS UIPageViewController](https://developer.apple.com/documentation/uikit/uipageviewcontroller) implementations. [See it in action!](https://github.com/callstack/react-native-pager-view#preview)
 
 <br/>
 <p align="center">