Bump chartkick from 3.2.0 to 3.3.0
Bump chartkick from 3.2.0 to 3.3.0

Bumps [chartkick](https://github.com/ankane/chartkick) from 3.2.0 to 3.3.0.
- [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/v3.2.0...v3.3.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
parterburn/dabble.me,parterburn/dabble.me,parterburn/dabble.me,parterburn/dabble.me