build(deps): bump next from 14.2.5 to 15.3.4

Bumps [next](https://github.com/vercel/next.js) from 14.2.5 to 15.3.4.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.5...v15.3.4)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.3.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

apps/web/package.json

@@ -25,7 +25,7 @@
         "eslint": "9.9.1",
         "eslint-config-next": "15.1.0",
         "lucide-react": "^0.468.0",
-        "next": "14.2.5",
+        "next": "15.3.4",
         "postcss": "8.4.49",
         "react": "19.0.0",
         "react-dom": "19.0.0",