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

Author: renovate[bot]

package.json

@@ -78,7 +78,7 @@
     "@typescript-eslint/parser": "8.54.0",
     "autoprefixer": "10.4.24",
     "eslint": "9.39.2",
-    "eslint-config-next": "15.5.12",
+    "eslint-config-next": "16.1.6",
     "eslint-config-prettier": "10.1.8",
     "eslint-plugin-prettier": "5.5.5",
     "eslint-plugin-simple-import-sort": "^12.1.1",