df87fea CI/CD: Fix `scratch` field in ci.container-image.test.complete messages

Authored and Committed by rayson 5 years ago
    CI/CD: Fix `scratch` field in ci.container-image.test.complete messages
    
    Following up https://pagure.io/waiverdb/pull-request/282.
    
    This PR changes the pagure polling job to pass the original branch name
    rather than commit ID to `waiverdb-dev` job on master branch changes.
    `waiverdb-dev` then passes commit ID to downstream container build and integration test jobs
    to ensure the exact same commit is processed.