Add provenance name

Author: Val Brodsky

.github/workflows/lbox-publish.yml

@@ -88,6 +88,7 @@ jobs:
       base64-subjects: "${{ needs.build.outputs.hashes }}"
       upload-assets: true
       upload-tag-name: v.6.0.0 # Tag from the initiation of the workflow
+      provenance-name: lbox-clients.intoto.jsonl
 
   test-build:
     needs: ['path-filter']