Speedup using multiple transactions with future nonces

[lukaw3d]

After oasisprotocol/sapphire-paratime#644 is released on mainnet we can speedup some transaction sequences like

rofl-app/src/backend/api.ts

Lines 762 to 771 in 269ecf0

	await waitForTransactionReceipt(wagmiConfig, { hash })
	const machinesResponse = await GetRuntimeRoflmarketInstances(network, 'sapphire', {
	deployed_app_id: appId,
	})
	const activeMachines = machinesResponse.data.instances.filter(m => !isMachineRemoved(m))
	console.log('stop machines?', activeMachines)
	for (const machine of activeMachines) {
	const hash = await stopMachine({ machineId: machine.id, provider: machine.provider, network })
	await waitForTransactionReceipt(wagmiConfig, { hash })