Bump next from 16.1.6 to 16.1.7 in /sample/next-app (#2080)

Bumps [next](https://github.com/vercel/next.js) from 16.1.6 to 16.1.7.
- [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/v16.1.6...v16.1.7)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.1.7
  dependency-type: direct:production
...

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