chore(deps): update dependency eslint-config-next to v16

Author: renovate[bot]

package.json

@@ -31,7 +31,7 @@
     "@types/react": "18.3.23",
     "@types/react-dom": "18.3.7",
     "eslint": "9.33.0",
-    "eslint-config-next": "15.4.6",
+    "eslint-config-next": "16.0.4",
     "prettier": "3.6.2",
     "source-map-loader": "^5.0.0",
     "typescript": "5.9.2",