chore(deps-dev): bump the default group with 2 updates

Bumps the default group with 2 updates: [broccoli-asset-rev](https://github.com/rickharrison/broccoli-asset-rev) and [qunit-dom](https://github.com/mainmatter/qunit-dom).


Updates `broccoli-asset-rev` from 2.7.0 to 3.0.0
- [Commits](https://github.com/rickharrison/broccoli-asset-rev/commits)

Updates `qunit-dom` from 0.8.5 to 3.2.1
- [Release notes](https://github.com/mainmatter/qunit-dom/releases)
- [Changelog](https://github.com/mainmatter/qunit-dom/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mainmatter/qunit-dom/commits)

---
updated-dependencies:
- dependency-name: broccoli-asset-rev
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: default
- dependency-name: qunit-dom
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: default
...

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

package.json

@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "@ember/optional-features": "^0.6.3",
-    "broccoli-asset-rev": "^2.7.0",
+    "broccoli-asset-rev": "^3.0.0",
     "ember-cli": "^3.20.0",
     "ember-cli-dependency-checker": "^3.1.0",
     "ember-cli-eslint": "^4.2.3",
@@ -53,7 +53,7 @@
     "eslint-plugin-ember": "^5.2.0",
     "eslint-plugin-node": "^7.0.1",
     "loader.js": "^4.7.0",
-    "qunit-dom": "^0.8.0"
+    "qunit-dom": "^3.2.1"
   },
   "engines": {
     "node": "6.* || 8.* || >= 10.*"