rust/checksum(deps): bump chrono in /tools/checksum_updater

Bumps [chrono](https://github.com/chronotope/chrono) from 0.4.41 to 0.4.42.
- [Release notes](https://github.com/chronotope/chrono/releases)
- [Changelog](https://github.com/chronotope/chrono/blob/main/CHANGELOG.md)
- [Commits](chronotope/chrono@v0.4.41...v0.4.42)

---
updated-dependencies:
- dependency-name: chrono
  dependency-version: 0.4.42
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]