Merge pull request kubernetes#17766 from jherrera123/wip-handle-conve…

…rted-to-draft

Relabel WIP issue when moving from normal to draft

prow/plugins/wip/wip-label.go

@@ -76,7 +76,8 @@ func handlePullRequest(pc plugins.Agent, pe github.PullRequestEvent) error {
 	if pe.Action != github.PullRequestActionOpened &&
 		pe.Action != github.PullRequestActionReopened &&
 		pe.Action != github.PullRequestActionEdited &&
-		pe.Action != github.PullRequestActionReadyForReview {
+		pe.Action != github.PullRequestActionReadyForReview &&
+		pe.Action != github.PullRequestConvertedToDraft {
 		return nil
 	}