Bump self_update from 0.41.0 to 0.42.0 (#494)

Bumps [self_update](https://github.com/jaemk/self_update) from 0.41.0 to 0.42.0.
- [Release notes](https://github.com/jaemk/self_update/releases)
- [Changelog](https://github.com/jaemk/self_update/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jaemk/self_update/commits)

---
updated-dependencies:
- dependency-name: self_update
  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>