chore(deps): update dependency @unocss/nuxt to v66

Author: renovate[bot]

packages/docs/package.json

@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "@nuxt-themes/docus": "1.15.1",
-    "@unocss/nuxt": "0.65.4",
+    "@unocss/nuxt": "66.2.3",
     "gh-pages": "6.3.0",
     "nuxt": "3.17.5",
     "vitest": "3.2.4",