Bump ember-cli-version-checker from 2.1.0 to 2.1.2
Bump ember-cli-version-checker from 2.1.0 to 2.1.2

Bumps [ember-cli-version-checker](https://github.com/rwjblue/ember-cli-version-checker) from 2.1.0 to 2.1.2.
- [Release notes](https://github.com/rwjblue/ember-cli-version-checker/releases)
- [Commits](https://github.com/rwjblue/ember-cli-version-checker/compare/v2.1.0...v2.1.2)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
billybonks/ember-cli-stylelint,billybonks/ember-cli-stylelint