Switch to v2 of blog bottom subscribe block

_layouts/post.html

@@ -128,7 +128,7 @@ <h1 data-toc-skip>{{ page.title }}</h1>
     </div>
 
     <div class="container-fluid convertkit-form">
-      <script async data-uid="044f8b4401" src="https://thoughtful-producer-2834.ck.page/044f8b4401/index.js"></script>
+      <script async data-uid="fec4c09c24" src="https://thoughtful-producer-2834.ck.page/fec4c09c24/index.js"></script>
     </div>
     <!-- .post-tail-bottom -->
   </div>