build(deps): bump github.com/mdlayher/ethtool from 0.4.1 to 0.5.0 (#3445)

Bumps [github.com/mdlayher/ethtool](https://github.com/mdlayher/ethtool) from 0.4.1 to 0.5.0.
- [Release notes](https://github.com/mdlayher/ethtool/releases)
- [Commits](https://github.com/mdlayher/ethtool/compare/v0.4.1...v0.5.0)

---
updated-dependencies:
- dependency-name: github.com/mdlayher/ethtool
  dependency-version: 0.5.0
  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>