chore(deps): update unhead monorepo to v3

Author: renovate[bot]

package.json

@@ -63,7 +63,7 @@
     "@ionic/vue": "^8.7.3",
     "@ionic/vue-router": "^8.7.3",
     "@nuxt/kit": "^4.1.2",
-    "@unhead/vue": "^2.0.14",
+    "@unhead/vue": "^3.0.0",
     "ionicons": "^8.0.13",
     "jiti": "^2.6.0",
     "pathe": "^2.0.3",
@@ -92,7 +92,7 @@
     "simple-git-hooks": "2.13.1",
     "typescript": "6.0.2",
     "unbuild": "3.6.1",
-    "unhead": "2.1.13",
+    "unhead": "3.0.4",
     "vitest": "4.1.4",
     "vue": "3.5.30",
     "vue-tsc": "3.2.6"