fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - react from 16.9.0 to 16.14.0.
    See this package in npm: https://www.npmjs.com/package/react
  - react-dom from 16.9.0 to 16.14.0.
    See this package in npm: https://www.npmjs.com/package/react-dom

See this project in Snyk:
https://app.snyk.io/org/dev-javascript/project/5b0af19d-e70c-4b55-a10b-e6cabcaf65fb?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -89,8 +89,8 @@
     "babel-plugin-transform-react-remove-prop-types": "^0.4.24",
     "css-loader": "^7.1.2",
     "eslint-plugin-react": "^7.34.3",
-    "react": "16.9.0",
-    "react-dom": "16.9.0",
+    "react": "16.14.0",
+    "react-dom": "16.14.0",
     "react-test-renderer": "16.9.0",
     "sass": "^1.77.6",
     "style-loader": "^4.0.0"