fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - react from 16.13.0 to 16.13.1.
    See this package in NPM: https://www.npmjs.com/package/react
  - react-dom from 16.13.0 to 16.13.1.
    See this package in NPM: https://www.npmjs.com/package/react-dom

See this project in Snyk:
https://app.snyk.io/org/ryanhefner-github-marketplace/project/d27f3688-36fe-42f1-bc19-82ec16b0daf9?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

examples/circles/package-lock.json

@@ -3,8 +3,8 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "react": "^16.13.0",
-    "react-dom": "^16.13.0",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1",
     "react-scripts": "^3.4.0"
   },
   "scripts": {