spectral-v10.35.0

• Update configuration ui property and ensure init return type matches expectation by @bkegley in https://github.com/prismatic-io/spectral/pull/563
• Let a headless integration's deploying user supply a flow's schedule by @jpeters5392 in https://github.com/prismatic-io/spectral/pull/560

Full Changelog: https://github.com/prismatic-io/spectral/compare/spectral-v10.34.1...spectral-v10.35.0