Reduce the resource if the pending time is too long. #1620

Job	Run time
atorch-pre-commit	4m 18s
brain-test	2m 48s
atorch-python-test	6m 29s
dlrover-client-test	2m 53s
dlrover-python-test	5m 1s
dlrover-system-test-criteo-deeprec	3m 41s
dlrover-system-test-deepfm	3m 23s
dlrover-system-test-tf2	2m 17s
dlrover-trainer-test	2m 40s
operator-test	2m 42s
pre-commit	2m 53s
tfplus-pre-commit	54s
tfplus-python-test	1m 4s
	41m 3s

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