fix(deps): update dependency qs to v6.9.4

ui/package-lock.json

@@ -19628,9 +19628,9 @@
       "integrity": "sha1-fjL3W0E4EpHQRhHxvxQQmsAGUdc="
     },
     "qs": {
-      "version": "6.9.3",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.9.3.tgz",
-      "integrity": "sha512-EbZYNarm6138UKKq46tdx08Yo/q9ZhFoAXAI1meAFd2GtbRDhbZY2WQSICskT0c5q99aFzLG1D4nvTk9tqfXIw=="
+      "version": "6.9.4",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.9.4.tgz",
+      "integrity": "sha512-A1kFqHekCTM7cz0udomYUoYNWjBebHm/5wzU/XqrBRBNWectVH0QIiN+NEcZ0Dte5hvzHwbr8+XQmguPhJ6WdQ=="
     },
     "query-string": {
       "version": "4.3.4",

ui/package.json

@@ -33,7 +33,7 @@
     "object-hash": "2.0.3",
     "promise-retry": "1.1.1",
     "prop-types": "15.7.2",
-    "qs": "6.9.3",
+    "qs": "6.9.4",
     "react": "16.13.1",
     "react-app-polyfill": "1.0.6",
     "react-autosuggest": "10.0.2",