Update linting comment in .gitlab-ci.yml
The Gitlab CI lint link is no longer there and instead instructs people to go to their project CI pipelines page and click the "CI Lint" button. So I added that to the example file.
The Gitlab CI lint link is no longer there and instead instructs people to go to their project CI pipelines page and click the "CI Lint" button. So I added that to the example file.