build: replace @vueuse/head with @unhead/vue

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

src/views/Group/CreateView.vue

@@ -230,7 +230,7 @@ import {
   useHost,
 } from "@/composition/config";
 import { Notifier } from "@/plugins/notifier";
-import { useHead } from "@vueuse/head";
+import { useHead } from "@unhead/vue";
 import { Openness, GroupVisibility } from "@/types/enums";
 import FullAddressAutoComplete from "@/components/Event/FullAddressAutoComplete.vue";