Kicbase/ISO: Update buildkit from v0.12.2 to v0.12.3 #10282

Job	Run time
build_minikube_test_binaries	6m 55s
lint	6m 41s
unit_test	2m 39s
build_minikube	11m 46s
functional_docker_rootless_containerd_ubuntu	13m 34s
functional_docker_containerd_ubuntu	7m 25s
functional_baremetal_ubuntu20_04	7m 50s
functional_docker_ubuntu	9m 47s
functional_podman_ubuntu	10m 8s
functional_virtualbox_macos	12m 50s
upload_all_reports	32s
	1h 30m 7s

Provide feedback