fix: upgrade web-animations-js from 2.2.2 to 2.3.2

Snyk has created this PR to upgrade web-animations-js from 2.2.2 to 2.3.2.

See this package in npm:
https://www.npmjs.com/package/web-animations-js

See this project in Snyk:
https://app.snyk.io/org/mohammed766/project/ce94a5cc-3ed5-48ca-8cff-47f62309bcfc?utm_source=github&utm_medium=referral&page=upgrade-pr

validator/js/webui/package.json

@@ -47,6 +47,6 @@
     "codemirror": "5.15.2",
     "vulcanize": "1.14.8",
     "webcomponents.js": "0.7.22",
-    "web-animations-js": "2.2.2"
+    "web-animations-js": "2.3.2"
   }
 }