chore: Update self-closing tag eslint config (#4826)

* chore: Fix self-closing tag issues

* Fix merge conflicts

Co-authored-by: Fayaz Ahmed <15716057+fayazara@users.noreply.github.com>

app/javascript/widget/components/AgentTypingBubble.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="agent-message-wrap">
     <div class="agent-message">
-      <div class="avatar-wrap"></div>
+      <div class="avatar-wrap" />
       <div class="message-wrap">
         <div
           class="typing-bubble chat-bubble agent"