executor: set task endTime when marking as failed

Add missing set of task endTime when the executor is marking the task as failed
due to no related running task (usually after executor restart).

internal/services/executor/executor.go

@@ -1162,6 +1162,7 @@ func (e *Executor) taskUpdater(ctx context.Context, et *types.ExecutorTask) {
 		if !ok {
 			log.Infof("marking executor task %s as failed since there's no running task", et.ID)
 			et.Status.Phase = types.ExecutorTaskPhaseFailed
+			et.Status.EndTime = util.TimePtr(time.Now())
 			// mark in progress step as failed too
 			for _, s := range et.Status.Steps {
 				if s.Phase == types.ExecutorTaskPhaseRunning {