Build release artifacts

Properly name index and improve upload code #410

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Run time

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Job	Run time
verify-input	14s
build-source	1m 22s
build-android (x86_64)	20m 1s
build-iOS	26m 3s
build-android (aarch64)	5m 2s
build-docs	0s
test-docs	0s
test-source	10m 47s
	1h 3m 29s