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

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

src/views/ErrorView.vue

@@ -12,7 +12,7 @@
 
 <script lang="ts" setup>
 import { ErrorCode } from "@/types/enums";
-import { useHead } from "@vueuse/head";
+import { useHead } from "@unhead/vue";
 import { useI18n } from "vue-i18n";
 import { useRouteQuery } from "vue-use-route-query";
 import { computed } from "vue";