Bump Substrate to 286d7ce (#1006)

* Bump dependencies

- Substrate to `74a1bfdcc`
- `finality-grandpa` to `0.14.1`
- `fs-swap` to `0.2.6`

* Add `pallet_randomness_collective_flip` to runtimes

* Rename GenesisConfig fields

See Substrate PR: https://github.com/paritytech/substrate/pull/8990

* Missed PoA renames in Rialto GenesisConfig

* Use `spawn_essential_handle` for transaction pool

See Substrate PR: https://github.com/paritytech/substrate/pull/9074

bridges/bin/millau/runtime/src/lib.rs

@@ -205,6 +205,8 @@ impl frame_system::Config for Runtime {
 	type OnSetCode = ();
 }
 
+impl pallet_randomness_collective_flip::Config for Runtime {}
+
 impl pallet_aura::Config for Runtime {
 	type AuthorityId = AuraId;
 }
@@ -398,7 +400,7 @@ construct_runtime!(
 		BridgeRialtoGrandpa: pallet_bridge_grandpa::{Pallet, Call, Storage},
 		BridgeWestendGrandpa: pallet_bridge_grandpa::<Instance1>::{Pallet, Call, Config<T>, Storage},
 		System: frame_system::{Pallet, Call, Config, Storage, Event<T>},
-		RandomnessCollectiveFlip: pallet_randomness_collective_flip::{Pallet, Call, Storage},
+		RandomnessCollectiveFlip: pallet_randomness_collective_flip::{Pallet, Storage},
 		Timestamp: pallet_timestamp::{Pallet, Call, Storage, Inherent},
 		Aura: pallet_aura::{Pallet, Config<T>},
 		Grandpa: pallet_grandpa::{Pallet, Call, Storage, Config, Event},