chore(deps): bump next from 15.3.3 to 15.3.4 in /tracker/frontend

Bumps [next](https://github.com/vercel/next.js) from 15.3.3 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@v15.3.3...v15.3.4)

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

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

Author: dependabot[bot]

tracker/frontend/package-lock.json

@@ -19,7 +19,7 @@
     "@radix-ui/react-slot": "^1.2.3",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
-    "next": "15.3.3",
+    "next": "15.3.4",
     "react": "^19.1.0",
     "react-dom": "^19.1.0"
   },