ci: more cloudsmith debugging

Author: jtojnar

.github/workflows/main.yaml

@@ -160,7 +160,7 @@ jobs:
           file: ${{ steps.zipball.outputs.file_name }}
           name: selfoss.zip
           version: ${{ steps.zipball.outputs.version }}
-          extra: '--tags version:latest --debug'
+          extra: '--tags version:latest --output-format=pretty_json'
 
       - name: Prepare a changelog
         run: |