message: add rel no opener to baianat anchor target
diff: <p align="center">
  <strong>Proudly sponsored by:</strong>
  <br><br>
  - <a href="https://www.baianat.com/" target="_blank">
  + <a rel="noopener" href="https://www.baianat.com/" target="_blank">
  <img width="300" src="https://s3.eu-central-1.amazonaws.com/logaretm/baianat.svg">
  </a>
  </p>
  \ No newline at end of file
  