build(deps): bump next from 15.3.0 to 15.4.7 in /web (#556)

Bumps [next](https://github.com/vercel/next.js) from 15.3.0 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/v15.3.0...v15.4.7)

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

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

web/package.json

@@ -63,7 +63,7 @@
     "lucide-react": "^0.487.0",
     "motion": "^12.7.4",
     "nanoid": "^5.1.5",
-    "next": "^15.2.3",
+    "next": "^15.4.7",
     "next-intl": "^4.3.1",
     "next-themes": "^0.4.6",
     "novel": "^1.0.2",