Bump ember-qunit from 7.0.0 to 9.0.2

Bumps [ember-qunit](https://github.com/emberjs/ember-qunit) from 7.0.0 to 9.0.2.
- [Release notes](https://github.com/emberjs/ember-qunit/releases)
- [Changelog](https://github.com/emberjs/ember-qunit/blob/main/.release-plan.json)
- [Commits](https://github.com/emberjs/ember-qunit/commits)

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

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

Author: dependabot[bot]

package.json

@@ -101,7 +101,7 @@
     "ember-cli-typescript-blueprints": "^3.0.0",
     "ember-disable-prototype-extensions": "^1.1.3",
     "ember-load-initializers": "^2.1.2",
-    "ember-qunit": "^7.0.0",
+    "ember-qunit": "^9.0.2",
     "ember-resolver": "^13.1.0",
     "ember-sinon": "^5.0.0",
     "ember-source": "^4.0.1",