Bump next from 9.5.2 to 13.5.0 in /vad

Bumps [next](https://github.com/vercel/next.js) from 9.5.2 to 13.5.0.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/compare/v9.5.2...v13.5.0)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
...

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

vad/package.json

@@ -3,7 +3,7 @@
   "version": "0.0.1",
   "private": true,
   "dependencies": {
-    "next": "^9.5.1",
+    "next": "^13.5.0",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
     "vad.js": "kdavis-mozilla/vad.js"