Build(deps-dev): Bump @types/qunit from 2.9.0 to 2.9.1

Bumps [@types/qunit](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/qunit) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/qunit)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package.json

@@ -47,7 +47,7 @@
     "@types/ember-testing-helpers": "^0.0.3",
     "@types/ember__engine": "^3.0.4",
     "@types/ember__test-helpers": "^0.7.8",
-    "@types/qunit": "^2.9.0",
+    "@types/qunit": "^2.9.1",
     "@types/rsvp": "^4.0.3",
     "@typescript-eslint/eslint-plugin": "^2.8.0",
     "@typescript-eslint/parser": "^2.9.0",

yarn.lock

@@ -1510,10 +1510,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.12.0.tgz#ea6dcbddbc5b584c83f06c60e82736d8fbb0c235"
   integrity sha512-3TUHC3jsBAB7qVRGxT6lWyYo2v96BMmD2PTcl47H25Lu7UXtFH/2qqmKiVrnel6Ne//0TFYf6uvNX+HW2FRkLQ==
 
-"@types/qunit@^2.9.0":
-  version "2.9.0"
-  resolved "https://registry.yarnpkg.com/@types/qunit/-/qunit-2.9.0.tgz#0b3fcbe2b92f067856adac82ba3afbc66d8835ac"
-  integrity sha512-Hx34HZmTJKRay+x3sFdEK62I8Z8YSWYg+rAlNr4M+AbwvNUJYxTTmWEH4a8B9ZN+Fl61awFrw+oRicWLFVugvQ==
+"@types/qunit@^2.9.1":
+  version "2.9.1"
+  resolved "https://registry.yarnpkg.com/@types/qunit/-/qunit-2.9.1.tgz#6083a42907ae6c9eecece794844bc3f8659e6c03"
+  integrity sha512-v51Fz/orMOkBGzrRvskky3UN0I81ka6rokAxkcuVyLHAh0qNKp+Roqympg/gTia8vGOIEbeSykevI0VKiIF13Q==
 
 "@types/rimraf@^2.0.2":
   version "2.0.4"