fix: ui/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-LODASH-15053838

Author: snyk-bot

ui/package.json

@@ -37,15 +37,15 @@
     "deepmerge": "^3.2.0",
     "foundation-sites": "^6.4.3",
     "git-url-parse": "^11.1.2",
-    "html-webpack-plugin": "^3.2.0",
+    "html-webpack-plugin": "^4.0.0",
     "jest-junit": "^6.4.0",
     "js-yaml": "^3.13.1",
     "json-merge-patch": "^0.2.3",
     "minimatch": "^3.0.4",
     "moment": "^2.24.0",
     "monaco-editor": "^0.15.6",
     "monaco-editor-webpack-plugin": "^1.7.0",
-    "node-sass": "^6.0.1",
+    "node-sass": "^9.0.0",
     "prop-types": "^15.6.0",
     "raw-loader": "^0.5.1",
     "react": "^16.9.3",
@@ -55,7 +55,7 @@
     "react-form": "2.16.0",
     "react-ga": "^2.6.0",
     "react-helmet": "^5.2.0",
-    "react-hot-loader": "^3.1.3",
+    "react-hot-loader": "^4.0.0",
     "react-moment": "^0.9.2",
     "react-paginate": "^6.2.1",
     "react-router": "^4.3.1",