[SDK] improve PVC creation name error #1265

Job	Run time
e2e (v1.29.2, long-running-resume,from-volume-resume,median-stop)	15m 39s
e2e (v1.29.2, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	19m 49s
e2e (v1.29.2, file-metrics-collector,pytorchjob-mnist)	13m 7s
e2e (v1.29.2, median-stop-with-json-format,file-metrics-collector-with-json-format)	13m 22s
e2e (v1.30.7, long-running-resume,from-volume-resume,median-stop)	15m 7s
e2e (v1.30.7, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	19m 54s
e2e (v1.30.7, file-metrics-collector,pytorchjob-mnist)	14m 11s
e2e (v1.30.7, median-stop-with-json-format,file-metrics-collector-with-json-format)	11m 56s
e2e (v1.31.3, long-running-resume,from-volume-resume,median-stop)	15m 14s
e2e (v1.31.3, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	24m 18s
e2e (v1.31.3, file-metrics-collector,pytorchjob-mnist)	13m 32s
e2e (v1.31.3, median-stop-with-json-format,file-metrics-collector-with-json-format)	14m 19s
	3h 10m 28s

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