remove galaxy-tool-util from build dependency #1989

Job	Run time
No leftovers	4m 50s
CWL conformance (v1.0, docker)	7m 15s
cwltool release test	16m 48s
CWL conformance (v1.0, singularity)	7m 7s
build_test_container	9m 11s
CWL conformance (v1.0, podman)	7m 34s
CWL conformance (v1.1, docker)	9m 3s
Tox (3, 8, lint)	30s
Linters (lintreadme)	46s
CWL conformance (v1.1, singularity)	10m 9s
Tox (3, 8, unit)	7m 38s
Linters (shellcheck)	34s
CWL conformance (v1.1, podman)	9m 9s
Tox (3, 8, bandit)	28s
Linters (pydocstyle)	18s
CWL conformance (v1.2, docker)	11m 22s
Tox (3, 8, mypy)	8m 11s
CWL conformance (v1.2, singularity)	11m 35s
Tox (3, 9, lint)	28s
CWL conformance (v1.2, podman)	11m 44s
Tox (3, 9, unit)	7m 28s
Test on macos-latest	9m 29s
CWL conformance (v1.2, docker, --fast-parser)	11m 29s
Tox (3, 9, bandit)	30s
Tox (3, 9, mypy)	8m 16s
Tox (3, 10, lint)	31s
Tox (3, 10, unit)	7m 46s
Tox (3, 10, bandit)	26s
Tox (3, 10, mypy)	9m 5s
Tox (3, 11, lint)	24s
Tox (3, 11, unit)	6m 43s
Tox (3, 11, bandit)	24s
Tox (3, 11, mypy)	7m 37s
Tox (3, 12, lint)	35s
Tox (3, 12, unit)	10m 5s
Tox (3, 12, bandit)	25s
Tox (3, 12, mypy)	8m 12s
	3h 44m 5s

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