Merge pull request #1629 from SaschaSchwarze0/sascha-remove-kaniko-trivy #3392

Job	Run time
unit	3m 12s
integration (v1.27.11)	23m 28s
e2e (v1.27.11)	35m 24s
integration (v1.29.2)	23m 14s
e2e (v1.29.2)	36m 5s
test-docker-build (base)	36s
test-docker-build (git)	1m 3s
test-docker-build (image-processing)	56s
test-docker-build (waiter)	34s
	2h 4m 32s

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