Update unocss monorepo to v66.6.0

Author: renovate[bot]

package.json

@@ -29,11 +29,11 @@
   "type": "module",
   "devDependencies": {
     "@types/bun": "1.3.5",
-    "@unocss/astro": "66.5.10",
-    "@unocss/preset-icons": "66.5.10",
+    "@unocss/astro": "66.6.0",
+    "@unocss/preset-icons": "66.6.0",
     "prettier": "3.7.4",
     "prettier-plugin-astro": "0.14.1",
-    "unocss": "66.5.10",
+    "unocss": "66.6.0",
     "vitest": "4.0.16",
     "wrangler": "4.48.0"
   }