update ui-bundle version

Author: countableSet

antora-playbook.yml

@@ -9,7 +9,7 @@ output:
   clean: true
 ui:
   bundle:
-    url: https://github.com/countableSet/antora-ui/releases/download/b4696819400/ui-bundle.zip
+    url: https://github.com/countableSet/antora-ui/releases/download/b4706517879/ui-bundle.zip
     snapshot: true
   supplemental_files:
     - path: partials/header-content.hbs