build(deps): bump chartkick from 5.0.6 to 5.0.7 (#1074)

Bumps [chartkick](https://github.com/ankane/chartkick) from 5.0.6 to 5.0.7.
- [Changelog](https://github.com/ankane/chartkick/blob/master/CHANGELOG.md)
- [Commits](ankane/chartkick@v5.0.6...v5.0.7)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -132,7 +132,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
-    chartkick (5.0.6)
+    chartkick (5.0.7)
     codeclimate-test-reporter (1.0.9)
       simplecov (<= 0.13)
     coderay (1.1.3)