chore: Nuxt 4 upgrade (#7426)

frontend/app/components/global/BannerExperimental.vue

@@ -0,0 +1,26 @@
+<template>
+  <BannerWarning
+    :title="$t('banner-experimental.title')"
+    :description="$t('banner-experimental.description')"
+  >
+    <template
+      v-if="issue"
+      #default
+    >
+      <a
+        :href="issue"
+        target="_blank"
+      >{{ $t("banner-experimental.issue-link-text") }}</a>
+    </template>
+  </BannerWarning>
+</template>
+
+<script setup lang="ts">
+defineProps({
+  issue: {
+    type: String,
+    required: false,
+    default: "",
+  },
+});
+</script>