Update feed-directory/index.html

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: gildesmarais

feed-directory/index.html

@@ -216,5 +216,7 @@ <h2 class="fs-6">Contribute to the Directory</h2>
 ></script>
 <script
   src="https://cdn.jsdelivr.net/npm/alpinejs@3.14.1/dist/cdn.min.js"
+  integrity="sha384-+QwQ6Q0imeISFRCGDpa2BkLomqKgJo0vvArkH5AO9M/dwZ0pniS3pSkeCZMt2rtI"
+  crossorigin="anonymous"
   defer
 ></script>