Update to v1.30.8 (#11461) #8984

Job	Run time
build / Build	6m 42s
Integration Tests (certrotation)	2m 40s
Integration Tests (cacertrotation)	2m 28s
Integration Tests (etcdrestore)	2m 36s
Integration Tests (localstorage)	2m 29s
Integration Tests (startup)	8m 18s
Integration Tests (custometcdargs)	1m 29s
Integration Tests (etcdsnapshot)	8m 46s
Integration Tests (kubeflags)	7m 51s
Integration Tests (longhorn)	3m 19s
Integration Tests (secretsencryption)	2m 42s
Integration Tests (flannelnone)	2m 24s
	51m 44s

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