chore(deps-dev): bump qunit from 2.19.4 to 2.20.0

Bumps [qunit](https://github.com/qunitjs/qunit) from 2.19.4 to 2.20.0.
- [Release notes](https://github.com/qunitjs/qunit/releases)
- [Changelog](https://github.com/qunitjs/qunit/blob/main/History.md)
- [Commits](qunitjs/qunit@2.19.4...2.20.0)

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

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

package.json

@@ -74,7 +74,7 @@
     "eslint-plugin-qunit": "8.0.0",
     "loader.js": "4.7.0",
     "prettier": "3.0.3",
-    "qunit": "2.19.4",
+    "qunit": "2.20.0",
     "qunit-dom": "2.0.0",
     "stylelint": "15.10.3",
     "stylelint-config-standard": "34.0.0",

yarn.lock

@@ -12311,10 +12311,10 @@ [email protected]:
     ember-cli-babel "^7.23.0"
     ember-cli-version-checker "^5.1.1"
 
-qunit@2.19.4:
-  version "2.19.4"
-  resolved "https://registry.yarnpkg.com/qunit/-/qunit-2.19.4.tgz#2d689bb1165edd4b812e3ed2ee06ff907e9f2ece"
-  integrity sha512-aqUzzUeCqlleWYKlpgfdHHw9C6KxkB9H3wNfiBg5yHqQMzy0xw/pbCRHYFkjl8MsP/t8qkTQE+JTYL71azgiew==
+qunit@2.20.0:
+  version "2.20.0"
+  resolved "https://registry.yarnpkg.com/qunit/-/qunit-2.20.0.tgz#66a404a0142781316bbda91535869ce5671555b1"
+  integrity sha512-N8Fp1J55waE+QG1KwX2LOyqulZUToRrrPBqDOfYfuAMkEglFL15uwvmH1P4Tq/omQ/mGbBI8PEB3PhIfvUb+jg==
   dependencies:
     commander "7.2.0"
     node-watch "0.7.3"