chore(deps-dev): bump ember-qunit from 8.1.0 to 8.1.1

Bumps [ember-qunit](https://github.com/emberjs/ember-qunit) from 8.1.0 to 8.1.1.
- [Release notes](https://github.com/emberjs/ember-qunit/releases)
- [Commits](emberjs/ember-qunit@v8.1.0...v8.1.1)

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

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

Author: dependabot[bot]

package.json

@@ -91,7 +91,7 @@
     "ember-data": "4.12.8",
     "ember-engines": "0.11.0",
     "ember-load-initializers": "2.1.2",
-    "ember-qunit": "8.1.0",
+    "ember-qunit": "8.1.1",
     "ember-resolver": "12.0.1",
     "ember-simple-auth": "6.1.0",
     "ember-sinon-qunit": "7.5.0",