fix: upgrade next 16.0.1 -> 16.0.7 (CVE-2025-66478)

Critical security fix for Remote Code Execution vulnerability in React Server Components.
CVSS: 10.0 (Critical)

References:
- https://nextjs.org/blog/CVE-2025-66478
- https://react2shell.com/

Author: suisuss

package.json

@@ -45,7 +45,7 @@
     "lucide-react": "^0.552.0",
     "motion": "^12.23.24",
     "nanoid": "^5.1.6",
-    "next": "16.0.1",
+    "next": "16.0.7",
     "next-themes": "^0.4.6",
     "openai": "^6.8.1",
     "postgres": "^3.4.7",