https://blog.canopas.com/automation-trigger-github-workflow-from-the-backend-f04e818094e5 - list-workflows

list-workflows.js

// prepare headers
const config = {
    headers: {
      Accept: "application/vnd.github+json",
      Authorization: "Bearer " +  PERSONAL_ACCESS_TOKEN(PAT)
    }
}; 

 /** 
     add filter using query params like below ,
     https://api.github.com/repos/OWNER/REPO/actions/runs?branch=master
 */
 axios.get('https://api.github.com/repos/OWNER/REPO/actions/runs', config)
    .then(res => {
      // res contains list of workflows
 })
 .catch(err => {
     console.error(err.message)
 });