[ci] Add necessary `await` in `batch_callback_handler` (#6130)
[ci] Add necessary `await` in `batch_callback_handler` (#6130)


cseed/hail,cseed/hail,cseed/hail,hail-is/hail,danking/hail,hail-is/hail,cseed/hail,cseed/hail,hail-is/hail,hail-is/hail,danking/hail,cseed/hail,cseed/hail,danking/hail,danking/hail,danking/hail,danking/hail,cseed/hail,danking/hail,hail-is/hail,hail-is/hail,hail-is/hail,hail-is/hail,danking/hail