Update Traefik to v2.11.18 #9041

Job	Run time
build / Build	7m 17s
Integration Tests (certrotation)	1m 18s
Integration Tests (cacertrotation)	1m 21s
Integration Tests (etcdrestore)	1m 17s
Integration Tests (localstorage)	1m 22s
Integration Tests (startup)	6m 7s
Integration Tests (custometcdargs)	25s
Integration Tests (etcdsnapshot)	7m 7s
Integration Tests (kubeflags)	6m 49s
Integration Tests (longhorn)	2m 32s
Integration Tests (secretsencryption)	1m 43s
Integration Tests (flannelnone)	58s
	38m 16s

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