Pin accelerate package version in trainer #1763

Job	Run time
integration-test (v1.30.6, none, 3.10)	16m 26s
integration-test (v1.29.2, none, 3.10)	16m 3s
integration-test (v1.28.7, none, 3.8)	15m 41s
integration-test (v1.30.6, scheduler-plugins, 3.10)	18m 11s
integration-test (v1.29.2, scheduler-plugins, 3.9)	15m 46s
integration-test (v1.28.7, scheduler-plugins, 3.11)	15m 55s
integration-test (v1.30.6, volcano, 3.10)	15m 56s
integration-test (v1.29.2, volcano, 3.8)	16m 42s
integration-test (v1.28.7, volcano, 3.10)	15m 57s
	2h 26m 37s

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