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] <support@github.com>

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

polkadot/Cargo.lock

@@ -5489,9 +5489,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "2.3.0"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e11263a97373b43da4b426edbb52ef99a7b51e2d9752ef56a7f8b356f48495a5"
+checksum = "373b1a4c1338d9cd3d1fa53b3a11bdab5ab6bd80a20f7f7becd76953ae2be909"
 dependencies = [
  "arrayvec 0.7.0",
  "bitvec 0.20.1",
@@ -5503,9 +5503,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec-derive"
-version = "2.2.0"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "40dbbfef7f0a1143c5b06e0d76a6278e25dac0bc1af4be51a0fbb73f07e7ad09"
+checksum = "1557010476e0595c9b568d16dcfb81b93cdeb157612726f5170d31aa707bed27"
 dependencies = [
  "proc-macro-crate 1.1.0",
  "proc-macro2",