nit banner emojis

Signed-off-by: Taylor Silva <[email protected]>

Author: taylorsilva

html/banner.tmpl

@@ -1,6 +1,6 @@
 <div class="top-banner">
   <p class="banner-text">
-    🎉<a href="https://blog.concourse-ci.org/posts/2025-04-03-7-13-release-and-project-update/">v7.13.0 Release and Project Update</a> ✨
+    🎉 <a href="https://blog.concourse-ci.org/posts/2025-04-03-7-13-release-and-project-update/">v7.13.0 Release and Project Update</a> 🎉
   </p>
 </div>