Build and test installer #1584

Job	Run time
Build installer (linux-64)	7m 18s
Build installer (linux-aarch64)	6m 29s
Build installer (linux-ppc64le)	5m 34s
Build installer (osx-arm64)	5m 3s
Build installer (osx-64)	5m 50s
Basic tests (centos:7)	58s
Integration tests (Py3 server) (rel-v8r0)	20m 58s
macOS tests (macos-11)	1s
Integration tests (Py3 server) (integration)	25m 52s
macOS tests (macos-12)	2m 1s
Basic tests (centos:8)	58s
Create environment.yaml (linux-64)	44s
Show release notes and diff	1m 30s
	1h 23m 16s

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