show last commit date of each branch

lastcommitdatebybranch.js

{
  search(query: "org:bardsoftware", type: REPOSITORY, last: 100) {
    nodes {
      ... on Repository {
        nameWithOwner
        refs(first: 100, refPrefix: "refs/heads/") {
          nodes {
            name
            target {
              ... on Commit {
                oid
                committedDate
              }
            }
          }
        }
      }
    }
  }
}