Build(deps): Bump qunit from 2.19.2 to 2.19.3 in /app/assets/javascripts (#18714)

Bumps [qunit](https://github.com/qunitjs/qunit) from 2.19.2 to 2.19.3.
- [Release notes](https://github.com/qunitjs/qunit/releases)
- [Changelog](https://github.com/qunitjs/qunit/blob/main/History.md)
- [Commits](https://github.com/qunitjs/qunit/compare/2.19.2...2.19.3)

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

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

app/assets/javascripts/discourse/package.json

@@ -80,7 +80,7 @@
     "node-fetch": "^2.6.6",
     "pretender": "^3.4.7",
     "pretty-text": "^1.0.0",
-    "qunit": "^2.19.2",
+    "qunit": "^2.19.3",
     "qunit-dom": "^2.0.0",
     "sass": "^1.55.0",
     "select-kit": "^1.0.0",

app/assets/javascripts/yarn.lock

@@ -9002,10 +9002,10 @@ qunit-dom@^2.0.0:
     ember-cli-babel "^7.23.0"
     ember-cli-version-checker "^5.1.1"
 
-qunit@^2.19.2:
-  version "2.19.2"
-  resolved "https://registry.yarnpkg.com/qunit/-/qunit-2.19.2.tgz#0b2388fd14ea8b592792b538bf31cbd20b72bfd3"
-  integrity sha512-D575YwUeTFvYu9OrCitmnZ24QkcuwwLj3vtMRLHGUvme4oVljna4Qttm19BBDC4w/7wAZr2/QvbvWN6I4inJYg==
+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==
   dependencies:
     commander "7.2.0"
     node-watch "0.7.3"