Reduce verbosity of CI #1089

Job	Run time
lint	32s
quicktests	1m 27s
coverage	1m 28s
unittests (ubuntu-22.04)	1m 54s
unittests (self-hosted, linux, arm64)	1m 47s
unittests (macos-13)	2m 34s
unittests (self-hosted, macos, arm64)	1m 10s
unittests (windows-2022)	4m 38s
Build postcli (ubuntu-22.04)	56s
Build postcli (self-hosted, linux, arm64)	26s
Build postcli (macos-13)	1m 19s
Build postcli (self-hosted, macos, arm64)	30s
Build postcli (windows-2022)	3m 26s
Publish release	0s
	22m 7s

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