chore(deps): update swagger-ui to v4.0.0-beta.4

Refs #2710

Author: char0n

package-lock.json

@@ -87,7 +87,7 @@
     "redux": "=4.1.0",
     "reselect": "^4.0.0",
     "swagger-client": "=3.15.0",
-    "swagger-ui": "=4.0.0-beta.3",
+    "swagger-ui": "=4.0.0-beta.4",
     "traverse": "^0.6.6",
     "validator": "=13.6.0",
     "yaml-js": "^0.2.3"