feat: add z-index to cookie banner

Author: Baroshem

app/components/layout/CookieConsent.vue

@@ -14,7 +14,7 @@ const consent = useCookie('consent', { maxAge: 31536000, path: '/' })
     description="A high-performance, server-rendered E-commerce app built with Nuxt & Shopify"
     close
     close-icon="i-heroicons-x-mark-20-solid"
-    class="fixed bottom-2 md:bottom-4 right-2 md:right-4 w-[calc(100%-16px)] md:w-max"
+    class="fixed bottom-2 md:bottom-4 right-2 md:right-4 w-[calc(100%-16px)] md:w-max z-50"
     @update:open="consent = 'cookie-consent'"
   />
 </template>