Fix: Clickable link on banner

coscine/issues#2879

src/components/banner/Maintenance.vue

@@ -10,7 +10,7 @@
       <span class="font-weight-bold">
         {{ `${messageType}${$t("banner.separator")}` }}
       </span>
-      {{ messageBody }}
+      <span v-dompurify-html="messageBody"></span>
       <span v-if="maintenance.href">
         {{ $t("banner.maintenance.linkText") }}
         <a :href="maintenance.href" target="_blank"
@@ -23,6 +23,7 @@
 
 <script lang="ts">
 import { defineComponent } from "vue";
+
 // import the main store
 import useMainStore from "@/store/index";
 import type { MaintenanceDto } from "@coscine/api-client/dist/types/Coscine.Api";