message: format, pass args in array
diff: -name: "Dependabot changeset maker"
  +name: 'Dependabot changeset maker'
  on:
  - pull_request_target
  jobs:
  generate-changeset:
  runs-on: ubuntu-latest
  - if: github.actor == 'dependabot[bot]'
  + if: github.actor == 'dependabot[bot]' && github.repository == 'backstage/backstage'
  steps:
  - name: Checkout
  uses: actions/checkout@v2
  @@ -67,6 +67,6 @@ jobs:
  const fileName = `.changeset/dependabot-${shortHash.trim()}.md`;
  const { stdout: commitMessage } = await exec.getExecOutput('git show --pretty=format:%s -s HEAD');
  await createChangeset(fileName, commitMessage, packageNames);
  - await exec.exec(`git add ${fileName}`);
  + await exec.exec('git', ['add', fileName]);
  await exec.exec('git commit -C HEAD --amend --no-edit');
  await exec.exec('git push --force');
  