chore(deps-dev): bump ember-cli from 5.12.0 to 6.0.0

Bumps [ember-cli](https://github.com/ember-cli/ember-cli) from 5.12.0 to 6.0.0.
- [Release notes](https://github.com/ember-cli/ember-cli/releases)
- [Changelog](https://github.com/ember-cli/ember-cli/blob/master/CHANGELOG.md)
- [Commits](ember-cli/ember-cli@v5.12.0...v6.0.0)

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

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

Author: dependabot[bot]

package.json

@@ -49,7 +49,7 @@
     "@glimmer/component": "1.1.2",
     "broccoli-asset-rev": "3.0.0",
     "concurrently": "9.1.0",
-    "ember-cli": "5.12.0",
+    "ember-cli": "6.0.0",
     "ember-cli-clean-css": "3.0.0",
     "ember-cli-dependency-checker": "3.3.3",
     "ember-cli-deprecation-workflow": "3.0.2",