Bump codecov/codecov-action from 4 to 5 #8864

Job	Run time
build / Build	6m 43s
Integration Tests (certrotation)	1m 50s
Integration Tests (cacertrotation)	1m 39s
Integration Tests (etcdrestore)	2m 12s
Integration Tests (localstorage)	1m 22s
Integration Tests (startup)	6m 27s
Integration Tests (custometcdargs)	47s
Integration Tests (etcdsnapshot)	7m 11s
Integration Tests (kubeflags)	6m 52s
Integration Tests (longhorn)	2m 54s
Integration Tests (secretsencryption)	2m 35s
Integration Tests (flannelnone)	1m 24s
	41m 56s

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