Add cwltool #1457

Job	Run time
Build installer (linux-64)	7m 38s
Build installer (linux-aarch64)	5m 52s
Build installer (linux-ppc64le)	5m 56s
Build installer (osx-arm64)	4m 46s
Build installer (osx-64)	5m 56s
Basic tests (centos:7)	1m 11s
macOS tests (macos-11)	2m 33s
Basic tests (centos:8)	1m 8s
Create environment.yaml (linux-64)	44s
macOS tests (macos-12)	1m 45s
Integration tests (Py3 server) (rel-v8r0)	21m 7s
Integration tests (Py3 server) (integration)	25m 53s
Show release notes and diff	1m 35s
	1h 26m 4s

Provide feedback