title: How to implement a Canary DAG in Airflow for health checks of other jobs?
body: <p>My team has multiple airflow jobs. The job which run frequently are getting scheduled and running properly, But the jobs which are run rarely often are not scheduled and are skipped. </p>
  
  <p>I would mainly like to create a health checking DAG to be alerted when my jobs are not scheduled and not run.</p>