Update ui bundle ref.

Author: Jim Bisso

site-publish.yaml

@@ -11,7 +11,7 @@ content:
 
 ui:
   bundle:
-    url: https://github.com/riptano/antora-ui-docs/raw/main/releases/download/v0.5/ui-bundle.zip
+    url: https://github.com/riptano/antora-ui-docs/raw/main/releases/download/v0.6/ui-bundle.zip
     snapshot: true
   supplemental_files: ./supplemental-ui
   output_dir: assets