Build release artifacts

Downgrade sigstore version from 4.1.0 to 3.6.5 #173

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Run time

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Job	Run time
verify-input	17s
build-docs	5m 22s
build-android (aarch64)	3m 42s
build-source	1m 5s
build-android (x86_64)	18m 45s
test-source	9m 35s
	38m 46s