build: Update karma-qunit

Author: Krinkle

package.json

@@ -16,7 +16,7 @@
     "karma": "^6.4.2",
     "karma-chrome-launcher": "^3.2.0",
     "karma-coverage": "^2.2.1",
-    "karma-qunit": "^4.1.2",
+    "karma-qunit": "^4.2.0",
     "nyc": "^15.1.0",
     "qunit": "^2.20.0",
     "semistandard": "^17.0.0"