Bump @xmldom/xmldom from 0.9.3 to 0.9.4

Bumps [@xmldom/xmldom](https://github.com/xmldom/xmldom) from 0.9.3 to 0.9.4.
- [Release notes](https://github.com/xmldom/xmldom/releases)
- [Changelog](https://github.com/xmldom/xmldom/blob/master/CHANGELOG.md)
- [Commits](xmldom/xmldom@0.9.3...0.9.4)

---
updated-dependencies:
- dependency-name: "@xmldom/xmldom"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -14,7 +14,7 @@
 	"dependencies": {
 		"@fancyapps/fancybox": "3.5.7",
 		"@khanacademy/tota11y": "0.2.0",
-		"@xmldom/xmldom": "^0.9.3",
+		"@xmldom/xmldom": "^0.9.4",
 		"alpaca": "1.5.27",
 		"blob.js": "1.0.1",
 		"bluebird": "3.7.2",

yarn.lock

@@ -662,10 +662,10 @@
     "@types/expect" "^1.20.4"
     "@types/node" "*"
 
-"@xmldom/xmldom@^0.9.3":
-  version "0.9.3"
-  resolved "https://registry.yarnpkg.com/@xmldom/xmldom/-/xmldom-0.9.3.tgz#a5d5362050767d8823b2b74e36cb2f059f58e797"
-  integrity sha512-W7fOe0N+t2eyL9sjDE+7bBNo/NZg6U6aU0Rp8wwQV8TRkzLnX13SvROoyJMAH0Kcm9G1DX9b1XI4LxwKxowsXw==
+"@xmldom/xmldom@^0.9.4":
+  version "0.9.4"
+  resolved "https://registry.yarnpkg.com/@xmldom/xmldom/-/xmldom-0.9.4.tgz#6027f1fc5c07f2d0fa9ab26c9de63cfa80699e23"
+  integrity sha512-zglELfWx7g1cEpVMRBZ0srIQO5nEvKvraJ6CVUC/c5Ky1GgX8OIjtUj5qOweTYULYZo5VnXs/LpUUUNiGpX/rA==
 
 "@yeoman/adapter@^1.4.0":
   version "1.4.0"