fix(deps): update dependency next to v16.2.3 [security] (#498)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -23,7 +23,7 @@
     "fumadocs-typescript": "5.1.5",
     "fumadocs-ui": "16.6.9",
     "lucide-react": "^0.562.0",
-    "next": "16.1.6",
+    "next": "16.2.3",
     "prettier": "^3.6.2",
     "react": "19.2.4",
     "react-dom": "19.2.4",