Updated jQuery version as they have fixed some vulnerability issue.

web/package.json

@@ -67,7 +67,7 @@
     "immutability-helper": "^3.0.0",
     "imports-loader": "^0.8.0",
     "ip-address": "^5.8.9",
-    "jquery": "3.3.1",
+    "jquery": "^3.4.0",
     "jquery-contextmenu": "^2.8.0",
     "jquery-ui": "^1.12.1",
     "json-bignumber": "^1.0.1",