Fix incorrect run order of action jobs (go-gitea#28367)

When we pick up a job, all waiting jobs should firstly be ordered by
update time,
otherwise when there's a running job, if I rerun an older job, the older
job will run first, as it's id is smaller.

Author: yp05327

models/actions/task.go

@@ -234,7 +234,7 @@ func CreateTaskForRunner(ctx context.Context, runner *ActionRunner) (*ActionTask
 	}
 
 	var jobs []*ActionRunJob
-	if err := e.Where("task_id=? AND status=?", 0, StatusWaiting).And(jobCond).Asc("id").Find(&jobs); err != nil {
+	if err := e.Where("task_id=? AND status=?", 0, StatusWaiting).And(jobCond).Asc("updated", "id").Find(&jobs); err != nil {
 		return nil, false, err
 	}