fix: typo RayJobSubmitter in ray_job_submitter.py #4125

Job	Run time
dlrover-python-test	7m 30s
atorch-python-test	5m 33s
brain-test	1m 33s
atorch-pre-commit	2m 39s
dlrover-system-test-criteo-deeprec	2m 52s
dlrover-system-test-deepfm	2m 38s
operator-test	1m 31s
dlrover-system-test-tf2	1m 22s
pre-commit	1m 7s
tfplus-pre-commit	1m 2s
tfplus-python-test	8s
	27m 55s

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