Bump react in /generators/react-native/resources/expo

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 18.3.1 to 19.0.0.
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.0.0/packages/react)

---
updated-dependencies:
- dependency-name: react
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

generators/react-native/resources/expo/package.json

@@ -23,7 +23,7 @@
     "expo-splash-screen": "~0.29.8",
     "expo-status-bar": "~2.0.0",
     "expo-web-browser": "~14.0.0",
-    "react": "18.3.1",
+    "react": "19.0.0",
     "react-dom": "18.3.1",
     "react-native": "0.76.6",
     "react-native-gesture-handler": "~2.20.2",