build(deps): bump parity-scale-codec from 3.6.12 to 3.7.0

Bumps [parity-scale-codec](https://github.com/paritytech/parity-scale-codec) from 3.6.12 to 3.7.0.
- [Release notes](https://github.com/paritytech/parity-scale-codec/releases)
- [Changelog](https://github.com/paritytech/parity-scale-codec/blob/master/CHANGELOG.md)
- [Commits](paritytech/parity-scale-codec@v3.6.12...v3.7.0)

---
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>

certifier/Cargo.toml

@@ -30,7 +30,7 @@ duration-str = { version = "0.11.2", default-features = false, features = [
     "serde",
     "time",
 ] }
-parity-scale-codec = { version = "3.6.12", features = ["derive", "serde"] }
+parity-scale-codec = { version = "3.7.0", features = ["derive", "serde"] }
 mockall = "0.13.1"
 
 [dev-dependencies]