Build release artifacts

Bump sigstore from 3.6.4 to 3.6.7 #330

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Run time

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Job	Run time
verify-input	15s
build-android (aarch64)	3m 57s
build-docs	5m 29s
build-source	1m 11s
build-android (x86_64)	19m 3s
test-source	9m 47s
test-docs	36s
	40m 18s