chore(deps): update devdependency eslint to v9

Author: renovate[bot]

docs/package.json

@@ -15,7 +15,7 @@
     "@nuxt/eslint-config": "^1.9.0",
     "@nuxtjs/plausible": "^2.0.1",
     "@types/node": "^24.7.0",
-    "eslint": "^9.37.0",
+    "eslint": "^9.39.0",
     "nuxt": "^4.1.3"
   }
 }