Bump loader.js from 4.6.0 to 4.7.0
Bump loader.js from 4.6.0 to 4.7.0

Bumps [loader.js](https://github.com/ember-cli/loader.js) from 4.6.0 to 4.7.0.
- [Release notes](https://github.com/ember-cli/loader.js/releases)
- [Commits](https://github.com/ember-cli/loader.js/compare/v4.6.0...v4.7.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
rwjblue/ember-lifeline,rwjblue/ember-lifeline