Merge #4294 Spacedock transformer: remove version string -> release_s… #841

Job	Run time
check-dev-build	3s
sign-assets / smoke-inflator / build-release / build	1m 36s
sign-assets / test-release / build-debug / build	1m 40s
sign-assets / smoke-inflator / smoke-test-inflator	48s
sign-assets / test-release / test-build	51s
sign-assets / sign	37s
upload-release-s3	12s
upload-inflator	2m 15s
upload-dmg	30s
upload-deb	36s
upload-metadata-tester	1m 25s
upload-rpm	29s
	11m 2s

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