Bump ember-cli-app-version from 6.0.1 to 7.0.0

Bumps [ember-cli-app-version](https://github.com/ember-cli/ember-cli-app-version) from 6.0.1 to 7.0.0.
- [Release notes](https://github.com/ember-cli/ember-cli-app-version/releases)
- [Changelog](https://github.com/ember-cli/ember-cli-app-version/blob/master/CHANGELOG.md)
- [Commits](ember-cli/ember-cli-app-version@v6.0.1...v7.0.0)

---
updated-dependencies:
- dependency-name: ember-cli-app-version
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]