[chore]: Bump serde_with from 3.7.0 to 3.8.0

Bumps [serde_with](https://github.com/jonasbb/serde_with) from 3.7.0 to 3.8.0.
- [Release notes](https://github.com/jonasbb/serde_with/releases)
- [Commits](jonasbb/serde_with@v3.7.0...v3.8.0)

---
updated-dependencies:
- dependency-name: serde_with
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -120,7 +120,7 @@ rustc-hash = "1.1.0"
 serde = { version = "1.0.198", default-features = false }
 serde_json = { version = "1.0.116", default-features = false }
 serde_yaml = "0.9.34"
-serde_with = { version = "3.7.0", default-features = false }
+serde_with = { version = "3.8.0", default-features = false }
 parity-scale-codec = { version = "3.6.9", default-features = false }
 json5 = "0.4.1"
 toml = "0.8.12"