deps(github): bump anchore/scan-action from 3 to 4 #6410

Job	Run time
docs	29s
gomod	53s
image_tags	1s
lint	3m 35s
reno_lint	38s
test (test)	11m 1s
build (controller)	2m 24s
test (integration-test)	6m 59s
build (kanctl)	2m 20s
test (helm-test)	3m 3s
build (kando)	2m 10s
release	0s
release_example_docker_images	0s
	33m 33s

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