Merge pull request #137 from linux-do/hotfix

hotfix: update Next.js 15.3.6 to fix CVE-2025-66478

Author: yyg-max

frontend/package.json

@@ -48,7 +48,7 @@
     "embla-carousel-react": "^8.6.0",
     "lucide-react": "^0.511.0",
     "motion": "^12.15.0",
-    "next": "15.3.4",
+    "next": "15.3.6",
     "next-themes": "^0.4.6",
     "radix-ui": "^1.4.2",
     "react": "^19.0.0",