Bump parity-scale-codec from 2.3.0 to 2.3.1 (#3959)

Bumps [parity-scale-codec](https://github.com/paritytech/parity-scale-codec) from 2.3.0 to 2.3.1.
- [Release notes](https://github.com/paritytech/parity-scale-codec/releases)
- [Changelog](https://github.com/paritytech/parity-scale-codec/blob/master/CHANGELOG.md)
- [Commits](https://github.com/paritytech/parity-scale-codec/compare/parity-scale-codec-v2.3.0...parity-scale-codec-v2.3.1

)

---
updated-dependencies:
- dependency-name: parity-scale-codec
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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