chore(deps-dev): bump vite in /templates/react-router-app

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 7.1.12 to 8.0.3.
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/main/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/create-vite@8.0.3/packages/vite)

---
updated-dependencies:
- dependency-name: vite
  dependency-version: 8.0.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

templates/react-router-app/package.json

@@ -27,7 +27,7 @@
     "prettier-plugin-tailwindcss": "^0.7.2",
     "tailwindcss": "^4.2.1",
     "typescript": "^5.9.3",
-    "vite": "^7.3.1",
+    "vite": "^8.0.3",
     "vite-tsconfig-paths": "^5.1.4"
   }
 }