chore(deps): bump next (#38)

Bumps the next-stack group in /packages/core/__tests__/fixtures/next with 1 update: [next](https://github.com/vercel/next.js).


Updates `next` from 16.2.3 to 16.2.4
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.2.3...v16.2.4)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.2.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: next-stack
...

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

Author: dependabot[bot]

packages/core/__tests__/fixtures/next/package.json

@@ -8,7 +8,7 @@
     "clean": "rm -rf .next node_modules package-lock.json"
   },
   "dependencies": {
-    "next": "16.2.3",
+    "next": "16.2.4",
     "react": "19.2.5",
     "react-dom": "19.2.5"
   },