build(deps-dev): bump @vitejs/plugin-react in /react-example

Bumps [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/tree/HEAD/packages/plugin-react) from 5.0.4 to 5.1.0.
- [Release notes](https://github.com/vitejs/vite-plugin-react/releases)
- [Changelog](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite-plugin-react/commits/[email protected]/packages/plugin-react)

---
updated-dependencies:
- dependency-name: "@vitejs/plugin-react"
  dependency-version: 5.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

react-example/package-lock.json

@@ -21,7 +21,7 @@
     "@db-ux/agent-cli": "4.0.4",
     "@types/react": "^19.2.2",
     "@types/react-dom": "^19.2.2",
-    "@vitejs/plugin-react": "^5.0.4",
+    "@vitejs/plugin-react": "^5.1.0",
     "typescript": "^5.9.3",
     "vite": "^7.1.12"
   }