build(deps): Bump next from 14.2.15 to 15.0.1

Bumps [next](https://github.com/vercel/next.js) from 14.2.15 to 15.0.1.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.15...v15.0.1)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

packages/preview/package.json

@@ -22,7 +22,7 @@
     "css-loader": "7.1.2",
     "ignore-loader": "^0.1.2",
     "lodash": "^4.17.21",
-    "next": "^14.2.5",
+    "next": "^15.0.1",
     "next-pwa": "^5.6.0",
     "prism-react-renderer": "^2.3.1",
     "prop-types": "^15.8.1",