Update delete_backport_branch workflow to include release-chores branches#4090

RileyJergerAmazon wants to merge 5 commits intoopensearch-project:mainopensearch-project/ml-commons:mainfrom

RileyJergerAmazon:update-delete-branch-workflowRileyJergerAmazon/ml-commons:update-delete-branch-workflowCopy head branch name to clipboard