Merge pull request #158 from userfrosting/dependabot/npm_and_yarn/happy-dom-20.9.0

Bump happy-dom from 15.11.7 to 20.9.0

Author: lcharette

package-lock.json

@@ -29,7 +29,7 @@
         "eslint-plugin-vue": "^10.4.0",
         "file-loader": "^6.2.0",
         "fork-ts-checker-webpack-plugin": "^9.0.2",
-        "happy-dom": "^15.11.6",
+        "happy-dom": "^20.9.0",
         "jiti": "^2.5.1",
         "less": "^4.2.0",
         "less-loader": "^12.2.0",