:arrow_up: Bump chartkick from 3.4.2 to 4.0.0 (#1995)
:arrow_up: Bump chartkick from 3.4.2 to 4.0.0 (#1995)

Bumps [chartkick](https://github.com/ankane/chartkick) from 3.4.2 to 4.0.0.
- [Release notes](https://github.com/ankane/chartkick/releases)
- [Changelog](https://github.com/ankane/chartkick/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ankane/chartkick/compare/v3.4.2...v4.0.0)

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Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
Co-authored-by: kodiakhq[bot] <9e05f530a4a0b74ddd685a36dedab9087faa4174@users.noreply.github.com>
ledermann/docker-rails,ledermann/docker-rails,ledermann/docker-rails,ledermann/docker-rails