Bump Substrate/Polkadot/Cumulus refs (#1295)

Substrate: 31d90c202d6df9ce3837ee55587b604619a912ba
Polkadot: 60df3c55c711c2872872d6220f98b2611340e051
Cumulus: a9630551c2

bridges/bin/rialto/node/src/cli.rs

@@ -14,10 +14,10 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity Bridges Common.  If not, see <http://www.gnu.org/licenses/>.
 
+use clap::{AppSettings, Parser};
 use sc_cli::RunCmd;
-use structopt::StructOpt;
 
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct Cli {
 	#[structopt(subcommand)]
 	pub subcommand: Option<Subcommand>,
@@ -27,9 +27,10 @@ pub struct Cli {
 }
 
 /// Possible subcommands of the main binary.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub enum Subcommand {
 	/// Key management CLI utilities
+	#[clap(subcommand)]
 	Key(sc_cli::KeySubcommand),
 
 	/// Verify a signature for a message, provided on `STDIN`, with a given (public or secret) key.
@@ -69,16 +70,16 @@ pub enum Subcommand {
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
 
 	/// FOR INTERNAL USE: analog of the "prepare-worker" command of the polkadot binary.
-	#[structopt(name = "prepare-worker", setting = structopt::clap::AppSettings::Hidden)]
+	#[clap(name = "prepare-worker", setting = AppSettings::Hidden)]
 	PvfPrepareWorker(ValidationWorkerCommand),
 
 	/// FOR INTERNAL USE: analog of the "execute-worker" command of the polkadot binary.
-	#[structopt(name = "execute-worker", setting = structopt::clap::AppSettings::Hidden)]
+	#[clap(name = "execute-worker", setting = AppSettings::Hidden)]
 	PvfExecuteWorker(ValidationWorkerCommand),
 }
 
 /// Validation worker command.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct ValidationWorkerCommand {
 	/// The path to the validation host's socket.
 	pub socket_path: String,