Update dependency eslint-plugin-qunit to v8.1.1

Author: renovate[bot]

package.json

@@ -118,7 +118,7 @@
     "eslint-plugin-ember-concurrency": "0.5.1",
     "eslint-plugin-import-helpers": "1.3.1",
     "eslint-plugin-prettier": "5.1.3",
-    "eslint-plugin-qunit": "8.0.1",
+    "eslint-plugin-qunit": "8.1.1",
     "eslint-plugin-qunit-dom": "0.2.0",
     "eslint-plugin-unicorn": "51.0.1",
     "globby": "14.0.1",