chore: bump @types/react in /packages/example-app-react

Bumps [@types/react](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react) from 17.0.65 to 18.2.21.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react)

---
updated-dependencies:
- dependency-name: "@types/react"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

packages/example-app-react/package.json

@@ -21,7 +21,7 @@
     "react-dom": "^17"
   },
   "devDependencies": {
-    "@types/react": "^17",
+    "@types/react": "^18",
     "@types/react-dom": "^17"
   }
 }