Upgrade Kubernetes to v1.30.7 #1176

Job	Run time
e2e (v1.28.7, long-running-resume,from-volume-resume,median-stop)	14m 16s
e2e (v1.28.7, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	19m 4s
e2e (v1.28.7, file-metrics-collector,pytorchjob-mnist)	11m 53s
e2e (v1.28.7, median-stop-with-json-format,file-metrics-collector-with-json-format)	12m 12s
e2e (v1.29.2, long-running-resume,from-volume-resume,median-stop)	16m 50s
e2e (v1.29.2, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	20m 34s
e2e (v1.29.2, file-metrics-collector,pytorchjob-mnist)	13m 35s
e2e (v1.29.2, median-stop-with-json-format,file-metrics-collector-with-json-format)	12m 26s
e2e (v1.30.7, long-running-resume,from-volume-resume,median-stop)	14m 5s
e2e (v1.30.7, grid,bayesian-optimization,tpe,multivariate-tpe,cma-es,hyperband)	19m 4s
e2e (v1.30.7, file-metrics-collector,pytorchjob-mnist)	13m 24s
e2e (v1.30.7, median-stop-with-json-format,file-metrics-collector-with-json-format)	12m 4s
	2h 59m 27s

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