use clap3 instead of structopt (#10632)

* use clap3 instead of structopt

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* format

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* update ss58-registry and revert some nits

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix clippy and doc

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* update clap to 3.0.7

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Apply review suggestions

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* remove useless option long name

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* cargo fmt

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

substrate/bin/node-template/node/src/cli.rs

@@ -1,19 +1,20 @@
 use sc_cli::RunCmd;
-use structopt::StructOpt;
 
-#[derive(Debug, StructOpt)]
+#[derive(Debug, clap::Parser)]
 pub struct Cli {
-	#[structopt(subcommand)]
+	#[clap(subcommand)]
 	pub subcommand: Option<Subcommand>,
 
-	#[structopt(flatten)]
+	#[clap(flatten)]
 	pub run: RunCmd,
 }
 
-#[derive(Debug, StructOpt)]
+#[derive(Debug, clap::Subcommand)]
 pub enum Subcommand {
 	/// Key management cli utilities
+	#[clap(subcommand)]
 	Key(sc_cli::KeySubcommand),
+
 	/// Build a chain specification.
 	BuildSpec(sc_cli::BuildSpecCmd),
 
@@ -36,6 +37,6 @@ pub enum Subcommand {
 	Revert(sc_cli::RevertCmd),
 
 	/// The custom benchmark subcommand benchmarking runtime pallets.
-	#[structopt(name = "benchmark", about = "Benchmark runtime pallets.")]
+	#[clap(name = "benchmark", about = "Benchmark runtime pallets.")]
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
 }