chore(deps): bump next from 15.5.14 to 16.2.1 (#25)

Author: RanitManik

package-lock.json

@@ -47,7 +47,7 @@
         "clsx": "^2.1.1",
         "github-markdown-css": "^5.8.1",
         "lucide-react": "^0.474.0",
-        "next": "^15.3.4",
+        "next": "^16.2.1",
         "react": "^19.0.0",
         "react-confetti": "6.4.0",
         "react-dom": "^19.0.0",