argparse: colorize the `--help` output with rich-argparse #2409

Job	Run time
build_test_container	9m 36s
No leftovers	3m 7s
CWL conformance (v1.0, docker)	6m 10s
CWL conformance (v1.0, singularity)	6m 47s
Test on macos-latest	6m 53s
cwltool release test	5m 0s
CWL conformance (v1.0, podman)	6m 30s
CWL conformance (v1.1, docker)	7m 14s
CWL conformance (v1.1, singularity)	7m 31s
Linters (lintreadme)	37s
CWL conformance (v1.1, podman)	7m 33s
Linters (shellcheck)	12s
Tox (3, 9, lint)	26s
CWL conformance (v1.2, docker)	8m 53s
Linters (pydocstyle)	16s
Tox (3, 9, unit)	4m 49s
CWL conformance (v1.2, singularity)	9m 23s
Tox (3, 9, bandit)	26s
CWL conformance (v1.2, podman)	9m 6s
Tox (3, 9, mypy)	6m 55s
CWL conformance (v1.2, docker, --fast-parser)	9m 1s
Tox (3, 10, lint)	29s
CWL conformance (v1.3.0-dev1, --relax-path-checks)	5m 55s
Tox (3, 10, unit)	4m 58s
Tox (3, 10, bandit)	22s
Tox (3, 10, mypy)	6m 48s
Tox (3, 11, lint)	24s
Tox (3, 11, unit)	4m 38s
Tox (3, 11, bandit)	23s
Tox (3, 11, mypy)	6m 22s
Tox (3, 12, lint)	32s
Tox (3, 12, unit)	6m 18s
Tox (3, 12, bandit)	26s
Tox (3, 12, mypy)	6m 43s
Tox (3, 13, lint)	36s
Tox (3, 13, unit)	6m 41s
Tox (3, 13, bandit)	36s
Tox (3, 13, mypy)	1m 16s
	2h 49m 52s

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