fix: upgrade prop-types from 15.8.0 to 15.8.1

Snyk has created this PR to upgrade prop-types from 15.8.0 to 15.8.1.

See this package in npm:
https://www.npmjs.com/package/prop-types

See this project in Snyk:
https://app.snyk.io/org/ryanhefner-github-marketplace/project/8f1fbdbf-0dea-436a-993a-3071f476ff1c?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -53,7 +53,7 @@
     "@types/react-dom": "^16.9.9",
     "clean-react-props": "^0.4.0",
     "lodash.throttle": "^4.1.1",
-    "prop-types": "^15.8.0"
+    "prop-types": "^15.8.1"
   },
   "devDependencies": {
     "@babel/cli": "^7.12.0",