Build release artifacts

Add new `--ssh-key` argument #55

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Run time

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Job	Run time
verify-input	8s
build-docs	18m 28s
build-android (aarch64)	4m 24s
build-android (x86_64)	19m 37s
build-source	1m 9s
test-source	27m 29s
	1h 11m 15s