Update dependency qunit to v2.26.0

Author: renovate[bot]

package.json

@@ -63,7 +63,7 @@
     "loader.js": "4.7.0",
     "msw": "1.3.5",
     "prettier": "3.8.3",
-    "qunit": "2.25.0",
+    "qunit": "2.26.0",
     "qunit-dom": "3.5.1",
     "release-it": "15.11.0",
     "webpack": "5.107.2"