chore(deps): ember-qunit

Author: renovate[bot]

package.json

@@ -37,7 +37,7 @@
     "ember-export-application-global": "2.0.1",
     "ember-load-initializers": "2.1.2",
     "ember-maybe-import-regenerator": "0.1.6",
-    "ember-qunit": "5.1.5",
+    "ember-qunit": "6.0.0",
     "ember-resolver": "8.0.3",
     "ember-source": "4.7.0",
     "ember-source-channel-url": "2.0.1",