Update dependency ember-qunit to v9.0.4

Author: renovate[bot]

package.json

@@ -68,7 +68,7 @@
     "ember-focus-trap": "1.1.1",
     "ember-load-initializers": "3.0.1",
     "ember-page-title": "9.0.3",
-    "ember-qunit": "9.0.2",
+    "ember-qunit": "9.0.4",
     "ember-resolver": "13.1.1",
     "ember-source": "6.7.0",
     "ember-source-channel-url": "3.0.0",