message: workflows/verify_dco: stronger wording
diff: @@ -54,7 +54,7 @@ jobs:
  console.log(`creating comment on PR #${pull.number}`);
  const body = `
  Thanks for the contribution!
  - All commits need to be DCO signed before merging. Please refer to the the [DCO section in CONTRIBUTING.md](https://github.com/backstage/backstage/blob/master/CONTRIBUTING.md#developer-certificate-of-origin) or the [DCO](${checks.data.check_runs[0].html_url}) status for more info.
  + All commits need to be DCO signed before they are reviewed. Please refer to the the [DCO section in CONTRIBUTING.md](https://github.com/backstage/backstage/blob/master/CONTRIBUTING.md#developer-certificate-of-origin) or the [DCO](${checks.data.check_runs[0].html_url}) status for more info.
  <!-- dco -->`;
  await github.rest.issues.createComment({
  repo,
  