Bump qunit from 2.19.3 to 2.19.4

Bumps [qunit](https://github.com/qunitjs/qunit) from 2.19.3 to 2.19.4.
- [Release notes](https://github.com/qunitjs/qunit/releases)
- [Changelog](https://github.com/qunitjs/qunit/blob/main/History.md)
- [Commits](qunitjs/qunit@2.19.3...2.19.4)

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

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

yarn.lock

@@ -9309,9 +9309,9 @@ qunit-dom@^2.0.0:
     ember-cli-version-checker "^5.1.1"
 
 qunit@^2.19.3:
-  version "2.19.3"
-  resolved "https://registry.yarnpkg.com/qunit/-/qunit-2.19.3.tgz#bcf81a2e8d176dc19fe8dd358c4cbd08619af03a"
-  integrity sha512-vEnspSZ37u2oR01OA/IZ1Td5V7BvQYFECdKPv86JaBplDNa5IHg0v7jFSPoP5L5o78Dbi8sl7/ATtpRDAKlSdw==
+  version "2.19.4"
+  resolved "https://registry.yarnpkg.com/qunit/-/qunit-2.19.4.tgz#2d689bb1165edd4b812e3ed2ee06ff907e9f2ece"
+  integrity sha512-aqUzzUeCqlleWYKlpgfdHHw9C6KxkB9H3wNfiBg5yHqQMzy0xw/pbCRHYFkjl8MsP/t8qkTQE+JTYL71azgiew==
   dependencies:
     commander "7.2.0"
     node-watch "0.7.3"