message: chore(ci): Fix GitHub script
diff: @@ -34,7 +34,7 @@ jobs:
  });
  var fs = require('fs');
  fs.writeFileSync('${{ github.workspace }}/storybooks.zip', Buffer.from(download.data));
  - const prNumber = /^storybooks-(\d+)$/.exec(matchArtifact)[1];
  + const prNumber = /^storybooks-(\d+)$/.exec(matchArtifact.name)[1];
  console.log(`::set-output name=pr-number::${ prNumber }`);
  - run: unzip storybooks.zip
  - uses: actions/upload-artifact@v2
  