fix: move `draft`, `automerge` & `labels` fields to PullRequestItem#240

sindunuragarp wants to merge 2 commits intospotify:masterspotify/github-java-client:masterfrom

sindunuragarp:fix/missing-pr-item-fieldssindunuragarp/github-java-client:fix/missing-pr-item-fieldsCopy head branch name to clipboard