fix: apply ESLint rule vue/no-bare-strings-in-template

app/javascript/superadmin_pages/components/playground/Header.vue

@@ -17,7 +17,7 @@ defineProps({
     role="banner"
   >
     <a :href="responseSourcePath" class="text-woot-500 hover:underline mr-4">
-      Back
+      {{ 'Back' }}
     </a>
     <div
       class="border border-solid border-slate-100 text-slate-700 mr-4 p-2 rounded-full"
@@ -26,14 +26,14 @@ defineProps({
     </div>
     <div class="flex flex-col h-14 justify-center">
       <h1 id="page-title" class="text-base font-medium text-slate-900">
-        Robin AI playground
+        {{ 'Robin AI playground' }}
       </h1>
       <p class="text-sm text-slate-600">
-        Chat with the source
+        {{ 'Chat with the source' }}
         <span class="font-medium">
           {{ responseSourceName }}
         </span>
-        and evaluate it’s efficiency.
+        {{ 'and evaluate it’s efficiency.' }}
       </p>
     </div>
   </header>