Bump const-hex from 1.12.0 to 1.13.1 (#158)

Bumps [const-hex](https://github.com/danipopes/const-hex) from 1.12.0 to 1.13.1.
- [Commits](DaniPopes/const-hex@v1.12.0...v1.13.1)

---
updated-dependencies:
- dependency-name: const-hex
  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>

Author: dependabot[bot]

Cargo.lock

@@ -28,7 +28,7 @@ inherits    = "dev"
 serde = { version = "1.0", optional = true, default-features = false }
 
 [dev-dependencies]
-const-hex  = { version = "1.12" }
+const-hex  = { version = "1.13" }
 criterion  = { version = "0.5" }
 faster-hex = { version = "0.10" }
 hex        = { version = "0.4" }