fix(deps): update nextjs monorepo to v16

Author: radagastbot[bot]

package-lock.json

@@ -51,7 +51,7 @@
     "gray-matter": "4.0.3",
     "input-otp": "1.4.2",
     "lucide-react": "0.548.0",
-    "next": "15.5.6",
+    "next": "16.0.1",
     "next-themes": "latest",
     "react": "19.2.0",
     "react-day-picker": "9.11.1",
@@ -88,7 +88,7 @@
     "@types/react": "19.2.2",
     "@types/react-dom": "19.2.2",
     "eslint": "9.38.0",
-    "eslint-config-next": "15.5.6",
+    "eslint-config-next": "16.0.1",
     "eslint-config-prettier": "10.1.8",
     "eslint-plugin-license-header": "0.8.0",
     "eslint-plugin-simple-import-sort": "12.1.1",