Bump chrono from 0.4.42 to 0.4.43 (#337)

Bumps [chrono](https://github.com/chronotope/chrono) from 0.4.42 to 0.4.43.
- [Release notes](https://github.com/chronotope/chrono/releases)
- [Changelog](https://github.com/chronotope/chrono/blob/main/CHANGELOG.md)
- [Commits](chronotope/chrono@v0.4.42...v0.4.43)

---
updated-dependencies:
- dependency-name: chrono
  dependency-version: 0.4.43
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]