Upgrade Kubernetes to v1.30.7 #1177

Job	Run time
e2e (v1.28.7, long-running-resume,from-volume-resume,median-stop)	15m 34s
e2e (v1.28.7, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	19m 22s
e2e (v1.28.7, file-metrics-collector,pytorchjob-mnist)	13m 34s
e2e (v1.28.7, median-stop-with-json-format,file-metrics-collector-with-json-format)	13m 8s
e2e (v1.29.2, long-running-resume,from-volume-resume,median-stop)	14m 40s
e2e (v1.29.2, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	21m 44s
e2e (v1.29.2, file-metrics-collector,pytorchjob-mnist)	12m 43s
e2e (v1.29.2, median-stop-with-json-format,file-metrics-collector-with-json-format)	13m 4s
e2e (v1.30.7, long-running-resume,from-volume-resume,median-stop)	16m 30s
e2e (v1.30.7, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	19m 6s
e2e (v1.30.7, file-metrics-collector,pytorchjob-mnist)	13m 18s
e2e (v1.30.7, median-stop-with-json-format,file-metrics-collector-with-json-format)	13m 57s
	3h 6m 40s

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