chore(deps): bump next from 15.3.3 to 15.4.7 in /examples/quick_start/ui (#565)

Bumps [next](https://github.com/vercel/next.js) from 15.3.3 to 15.4.7.
- [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/v15.3.3...v15.4.7)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.4.7
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

examples/quick_start/ui/package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "@types/canvas-confetti": "^1.9.0",
     "canvas-confetti": "^1.9.3",
-    "next": "15.3.3",
+    "next": "15.4.7",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"
   },