fix broken link (#3818)

Author: rurikoaraki

README.md

@@ -18,7 +18,7 @@ If you have an existing React Native project, it's easy to begin using FluentUI
 ### Prerequisites
 
 - [Standard React Native dependencies](https://microsoft.github.io/react-native-windows/docs/rnw-dependencies#manual-setup)
-- [Node.js](https://nodejs.org/en/download/)
+- [Node.js](https://nodejs.org/en/download/package-manager)
 - [Setting up your React Native Development Environment](https://reactnative.dev/docs/environment-setup)
 
 ### Create New React Native project (if needed)