build(deps): bump next from 14.2.7 to 15.5.5

Bumps [next](https://github.com/vercel/next.js) from 14.2.7 to 15.5.5.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.7...v15.5.5)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.5.5
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -26,7 +26,7 @@
     "heroicons": "^2.2.0",
     "lucide-react": "^0.460.0",
     "mongoose": "^8.18.0",
-    "next": "14.2.7",
+    "next": "15.5.5",
     "react": "^18.3.1",
     "react-card-flip": "^1.2.3",
     "react-dom": "^18.3.1",