fix: superset-websocket/utils/client-ws-app/package.json to reduce vu…

…lnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-PATHTOREGEXP-7925106

superset-websocket/utils/client-ws-app/package.json

@@ -8,7 +8,7 @@
   "dependencies": {
     "cookie-parser": "~1.4.6",
     "debug": "~4.3.4",
-    "express": "~4.18.2",
+    "express": "~4.20.0",
     "http-errors": "~2.0.0",
     "jsonwebtoken": "^9.0.2",
     "morgan": "~1.10.0",