fix Antora UI bundle download

Author: Ladicek

.github/workflows/build.yml

@@ -55,7 +55,7 @@ jobs:
         run: |
           cd docs
           npm i @antora/cli@2.3 @antora/site-generator-default@2.3 asciidoctor-kroki
-          ./node_modules/@antora/cli/bin/antora antora generate antora-playbook.yml
+          ./node_modules/@antora/cli/bin/antora --stacktrace generate antora-playbook.yml
           cd ..
           cp -r docs/build/site website/docs
 

docs/antora-playbook.yml

@@ -24,7 +24,7 @@ content:
     start_path: doc
 ui:
   bundle:
-    url: https://github.com/smallrye/smallrye-antora-ui/blob/main/build/ui-bundle.zip?raw=true
+    url: https://raw.githubusercontent.com/smallrye/smallrye-antora-ui/refs/heads/main/build/ui-bundle.zip
     snapshot: true
 asciidoc:
   extensions: