Bump ember-moment from 7.5.0 to 8.0.0

Bumps [ember-moment](https://github.com/stefanpenner/ember-moment) from 7.5.0 to 8.0.0.
- [Release notes](https://github.com/stefanpenner/ember-moment/releases)
- [Changelog](https://github.com/stefanpenner/ember-moment/blob/master/CHANGELOG.md)
- [Commits](adopted-ember-addons/ember-moment@v7.5.0...v8.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]