build(deps-dev): bump ember-cli-app-version in /app-frontend

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>

app-frontend/package.json

@@ -33,7 +33,7 @@
     "concurrently": "^8.2.2",
     "ember-auto-import": "^2.7.3",
     "ember-cli": "~5.9.0",
-    "ember-cli-app-version": "^6.0.1",
+    "ember-cli-app-version": "^7.0.0",
     "ember-cli-babel": "^8.2.0",
     "ember-cli-dependency-checker": "^3.3.2",
     "ember-cli-htmlbars": "^6.3.0",