message: workflows: more robust check for service account commits
diff: @@ -82,7 +82,7 @@ jobs:
  # We can't re-use the output from the above step, but we'll have a guaranteed node_modules cache and
  # only run the build steps that are necessary for publishing
  release:
  - if: github.event.commits[0].author.username == 'backstage-service' && contains(github.event.head_commit.message, 'from backstage/changeset-release/master')
  + if: contains(github.event.commits.*.author.username, 'backstage-service') && contains(github.event.head_commit.message, 'from backstage/changeset-release/master')
  needs: build
  runs-on: ubuntu-latest
  