Build and test installer #1618

Job	Run time
Build installer (linux-64)	7m 32s
Build installer (linux-aarch64)	5m 59s
Build installer (linux-ppc64le)	6m 12s
Build installer (osx-arm64)	4m 50s
Build installer (osx-64)	6m 9s
Create environment.yaml (linux-64)	38s
macOS tests (macos-11)	1s
Basic tests (centos:7)	1m 8s
macOS tests (macos-12)	1m 46s
Integration tests (Py3 server) (rel-v8r0)	20m 42s
Basic tests (centos:8)	1m 5s
Integration tests (Py3 server) (integration)	19m 41s
Show release notes and diff	1m 42s
	1h 17m 25s

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