Bump @polkadot/keyring from 13.2.1 to 13.2.2

Bumps [@polkadot/keyring](https://github.com/polkadot-js/common/tree/HEAD/packages/keyring) from 13.2.1 to 13.2.2.
- [Release notes](https://github.com/polkadot-js/common/releases)
- [Changelog](https://github.com/polkadot-js/common/blob/master/CHANGELOG.md)
- [Commits](https://github.com/polkadot-js/common/commits/v13.2.2/packages/keyring)

---
updated-dependencies:
- dependency-name: "@polkadot/keyring"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>