demo: bump vite from 3.1.8 to 5.0.12 in /packages/demo

Bumps [vite](https://github.com/vitejs/vite/tree/HEAD/packages/vite) from 3.1.8 to 5.0.12.
- [Release notes](https://github.com/vitejs/vite/releases)
- [Changelog](https://github.com/vitejs/vite/blob/v5.0.12/packages/vite/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite/commits/v5.0.12/packages/vite)

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

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

packages/demo/package.json

@@ -27,6 +27,6 @@
     "@vitejs/plugin-react": "1.3.2",
     "cypress": "^10.10.0",
     "typescript": "4.8.4",
-    "vite": "3.1.8"
+    "vite": "5.0.12"
   }
 }