Bump clap from 3.1.18 to 3.2.2 (#1370)

* Bump clap from 3.1.18 to 3.2.2

Bumps [clap](https://github.com/clap-rs/clap) from 3.1.18 to 3.2.2.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/v3.1.18...v3.2.2)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Bump clap to 3.2.5 and fix warnings

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sebastian Kunert <skunert49@gmail.com>

cumulus/polkadot-parachain/src/cli.rs

@@ -68,7 +68,7 @@ pub enum Subcommand {
 #[derive(Debug, Parser)]
 pub struct ExportGenesisStateCommand {
 	/// Output file name or stdout if unspecified.
-	#[clap(parse(from_os_str))]
+	#[clap(action)]
 	pub output: Option<PathBuf>,
 
 	/// Write output in binary. Default is to write in hex.
@@ -84,7 +84,7 @@ pub struct ExportGenesisStateCommand {
 #[derive(Debug, Parser)]
 pub struct ExportGenesisWasmCommand {
 	/// Output file name or stdout if unspecified.
-	#[clap(parse(from_os_str))]
+	#[clap(action)]
 	pub output: Option<PathBuf>,
 
 	/// Write output in binary. Default is to write in hex.