chore(deps): bump chrono from 7d62045 to 6c4e735

Bumps [chrono](https://github.com/chronotope/chrono) from `7d62045` to `6c4e735`.
- [Release notes](https://github.com/chronotope/chrono/releases)
- [Commits](chronotope/chrono@7d62045...6c4e735)

---
updated-dependencies:
- dependency-name: chrono
  dependency-type: direct:production
...

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