Bump parity-scale-codec from 3.3.0 to 3.4.0 (#2182)

Bumps [parity-scale-codec](https://github.com/paritytech/parity-scale-codec) from 3.3.0 to 3.4.0.
- [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/parity-scale-codec-3.3.0...v3.4.0)

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

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

cumulus/Cargo.lock

@@ -7202,9 +7202,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "3.3.0"
+version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3840933452adf7b3b9145e27086a5a3376c619dca1a21b1e5a5af0d54979bed"
+checksum = "637935964ff85a605d114591d4d2c13c5d1ba2806dae97cea6bf180238a749ac"
 dependencies = [
  "arrayvec 0.7.2",
  "bitvec",