Use non-deprecated method to start node after update to polkadot-v1.3.0

[sea212]

The following code requires an update to a new API, but it depends on https://github.com/Moonsong-Labs/moonkit/pull/14 which is only available starting from polkadot-v1.3.0: https://github.com/zeitgeistpm/zeitgeist/blob/6f94464b54cc2bacf47aaeefae08bc2501b9ccb6/node/src/service/service_parachain.rs#L28-L33 https://github.com/zeitgeistpm/zeitgeist/blob/6f94464b54cc2bacf47aaeefae08bc2501b9ccb6/node/src/service/service_parachain.rs#L426-L428 https://github.com/zeitgeistpm/zeitgeist/blob/6f94464b54cc2bacf47aaeefae08bc2501b9ccb6/node/src/service/service_parachain.rs#L442-L444