Upgrade Kubernetes to v1.30.7 #1172

Job	Run time
e2e (v1.28.7, long-running-resume,from-volume-resume,median-stop)	6m 30s
e2e (v1.28.7, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	6m 27s
e2e (v1.28.7, file-metrics-collector,pytorchjob-mnist)	6m 33s
e2e (v1.28.7, median-stop-with-json-format,file-metrics-collector-with-json-format)	6m 24s
e2e (v1.29.2, long-running-resume,from-volume-resume,median-stop)	6m 20s
e2e (v1.29.2, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	6m 28s
e2e (v1.29.2, file-metrics-collector,pytorchjob-mnist)	6m 20s
e2e (v1.29.2, median-stop-with-json-format,file-metrics-collector-with-json-format)	6m 28s
e2e (v, long-running-resume,from-volume-resume,median-stop)	3m 25s
e2e (v, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	3m 25s
e2e (v, file-metrics-collector,pytorchjob-mnist)	4m 45s
e2e (v, median-stop-with-json-format,file-metrics-collector-with-json-format)	4m 27s
	1h 7m 32s

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