Summary

Upgrade the react dependency from version 19.1.0 to 19.2.3 in the website.

Related PR

• Bump react from 19.1.0 to 19.2.3 in /website #1887

Parent Issue

• [Features parity] Dependencies #1817

Details

This is a minor version upgrade created by Dependabot. React 19.2 includes:

• <Activity>: New API to hide and restore UI and internal state of children
• useEffectEvent: Hook for extracting non-reactive logic into Effect Events
• cacheSignal (for RSCs): Lets you know when cache() lifetime is over
• React Performance tracks in browser developer tools
• Resume APIs for partial pre-rendering
• Various bug fixes and improvements