test: Fix image path in cached-images #10238

Job	Run time
build_minikube	14m 42s
lint	4m 3s
unit_test	2m 57s
functional_docker_ubuntu	9m 40s
functional_docker_containerd_ubuntu	12m 52s
functional_baremetal_ubuntu20_04	6m 31s
functional_docker_rootless_containerd_ubuntu	10m 52s
functional_podman_ubuntu	10m 34s
functional_virtualbox_macos	38m 25s
upload_all_reports	27s
	1h 51m 3s

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