chore(deps) Update deps to v6

Author: renovate[bot]

package.json

@@ -13,9 +13,9 @@
   "dependencies": {
     "@astrojs/check": "^0.9.4",
     "@astrojs/sitemap": "^3.3.0",
-    "@astrojs/vue": "^5.0.7",
+    "@astrojs/vue": "^6.0.0",
     "@unhead/vue": "2.1.12",
-    "astro": "^5.5.3",
+    "astro": "^6.0.0",
     "axios": "^1.8.4",
     "pinia": "^3.0.1",
     "vue": "^3.5.13"