Enhancement: Add `step` to composite variants #183

Job	Run time
build-9-5-1	2m 2s
test-nogitdiff	12s
build-2-10-7	1m 59s
build-10-5-0	2m 4s
build-2-3-0-0	1m 6s
build-2-4-6-0	53s
build-2-6-20	1m 8s
build-2-7-17	1m 10s
build-2-8-19	1m 3s
build-2-9-18	1m 12s
build-4-8-0	2m 25s
build-6-6-0	2m 1s
build-7-5-0	1m 59s
build-5-8-0	2m 25s
build-8-6-1	2m 6s
update-dockerhub-description	0s
update-draft-release	0s
publish-draft-release	0s
	23m 45s

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