Update JSDom

Author: jakezatecky

package.json

@@ -58,7 +58,7 @@
     "gulp-less": "^5.0.0",
     "gulp-mocha": "^8.0.0",
     "gulp-stylelint": "^13.0.0",
-    "jsdom": "^18.1.1",
+    "jsdom": "^20.0.0",
     "mocha": "^10.0.0",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",