Build(deps-dev): Bump @types/ember-qunit from 3.4.7 to 3.4.8

Bumps [@types/ember-qunit](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/ember-qunit) from 3.4.7 to 3.4.8.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/ember-qunit)

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

Author: dependabot-preview[bot]

package.json

@@ -41,7 +41,7 @@
   "devDependencies": {
     "@ember/optional-features": "^0.7.0",
     "@types/ember": "^3.1.1",
-    "@types/ember-qunit": "^3.4.7",
+    "@types/ember-qunit": "^3.4.8",
     "@types/ember-resolver": "^5.0.7",
     "@types/ember-test-helpers": "^1.0.6",
     "@types/ember-testing-helpers": "^0.0.3",

yarn.lock

@@ -1273,10 +1273,10 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
-"@types/ember-qunit@^3.4.7":
-  version "3.4.7"
-  resolved "https://registry.yarnpkg.com/@types/ember-qunit/-/ember-qunit-3.4.7.tgz#57dad9f01ff6136cdadf2a06b7089af91661d3b5"
-  integrity sha512-1VK5oazKvIenJK9M1DwXncgnpk+G1B1O4N7+ABml+V7+EGVhqpxfS3FRi3Y27+luPCQ3Ya1M8Da76fO85DNLrQ==
+"@types/ember-qunit@^3.4.8":
+  version "3.4.8"
+  resolved "https://registry.yarnpkg.com/@types/ember-qunit/-/ember-qunit-3.4.8.tgz#81dbfa76f0729ec5c455039457ba747fb7b44ec1"
+  integrity sha512-eAFYXit9vIXLiJiLzmI3Y37+AprHX0aVkgkC9cZzOLPAFeTSJ9T6Mso0o9EvrlAeFe/opg9uGp/QUgbX7X7IAw==
   dependencies:
     "@types/ember" "*"
     "@types/ember-test-helpers" "*"