Bump ember-compatibility-helpers from 1.1.2 to 1.2.0
Bump ember-compatibility-helpers from 1.1.2 to 1.2.0

Bumps [ember-compatibility-helpers](https://github.com/pzuraq/ember-compatibility-helpers) from 1.1.2 to 1.2.0.
- [Release notes](https://github.com/pzuraq/ember-compatibility-helpers/releases)
- [Commits](https://github.com/pzuraq/ember-compatibility-helpers/compare/v1.1.2...v1.2.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
sreedhar7/ember-app-scheduler,sreedhar7/ember-app-scheduler