Bump ember-source from 4.8.1 to 4.8.2 (#1216)
Bump ember-source from 4.8.1 to 4.8.2 (#1216)

Bumps [ember-source](https://github.com/emberjs/ember.js) from 4.8.1 to 4.8.2.
- [Release notes](https://github.com/emberjs/ember.js/releases)
- [Changelog](https://github.com/emberjs/ember.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/emberjs/ember.js/compare/v4.8.1...v4.8.2)

---
updated-dependencies:
- dependency-name: ember-source
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
rwwagner90/ember-shepherd,rwwagner90/ember-shepherd