Update delete_backport_branch workflow to include release-chores branches#1117

RileyJergerAmazon wants to merge 2 commits intoopensearch-project:mainopensearch-project/reporting:mainfrom

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