Bump parity-scale-codec from 2.2.0 to 2.3.0 (#3833)

Bumps [parity-scale-codec](https://github.com/paritytech/parity-scale-codec) from 2.2.0 to 2.3.0.
- [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/v2.2...parity-scale-codec-v2.3.0)

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

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

polkadot/Cargo.lock

@@ -5405,9 +5405,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "2.2.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8975095a2a03bbbdc70a74ab11a4f76a6d0b84680d87c68d722531b0ac28e8a9"
+checksum = "e11263a97373b43da4b426edbb52ef99a7b51e2d9752ef56a7f8b356f48495a5"
 dependencies = [
  "arrayvec 0.7.0",
  "bitvec 0.20.1",