Bump hex-literal from 0.3.4 to 0.4.1 (#1438)

Bumps [hex-literal](https://github.com/RustCrypto/utils) from 0.3.4 to 0.4.1.
- [Commits](https://github.com/RustCrypto/utils/compare/hex-literal-v0.3.4...hex-literal-v0.4.1

)

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

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