Bump ember-qunit from 8.1.1 to 9.0.1

Bumps [ember-qunit](https://github.com/emberjs/ember-qunit) from 8.1.1 to 9.0.1.
- [Release notes](https://github.com/emberjs/ember-qunit/releases)
- [Commits](emberjs/ember-qunit@v8.1.1...v9.0.1)

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

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

package.json

@@ -53,7 +53,7 @@
     "ember-cli-terser": "^4.0.2",
     "ember-load-initializers": "^3.0.1",
     "ember-page-title": "^8.0.0",
-    "ember-qunit": "^8.0.1",
+    "ember-qunit": "^9.0.1",
     "ember-resolver": "^13.0.0",
     "ember-source": "~6.1.0",
     "ember-source-channel-url": "^3.0.0",