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 Moonsong-Labs/moonkit#14 which is only available starting from polkadot-v1.3.0:

zeitgeist/node/src/service/service_parachain.rs

Lines 28 to 33 in 6f94464

	#[allow(deprecated)]
	// TODO(#1326): Resolve deprecation after upgrade to polkadot-v1.3.0
	use cumulus_client_service::{
	build_relay_chain_interface, prepare_node_config, start_collator, start_full_node,
	StartCollatorParams, StartFullNodeParams,
	};

zeitgeist/node/src/service/service_parachain.rs

Lines 426 to 428 in 6f94464

	#[allow(deprecated)]
	// TODO(#1326): Resolve deprecation after upgrade to polkadot-v1.3.0
	start_collator(params).await?;

zeitgeist/node/src/service/service_parachain.rs

Lines 442 to 444 in 6f94464

	#[allow(deprecated)]
	// TODO(#1326): Resolve deprecation after upgrade to polkadot-v1.3.0
	start_full_node(params)?;