fix(deps): update dependency vue to ^3.5.21

Author: renovate[bot]

package.json

@@ -20,7 +20,7 @@
     "@nuxthub/core": "^0.9.0",
     "nuxt": "^4.0.3",
     "tailwindcss": "4.1.12",
-    "vue": "^3.5.20",
+    "vue": "^3.5.21",
     "vue-router": "^4.5.1"
   },
   "devDependencies": {