chore(deps): update dependency prop-types to v15.8.1

Author: renovate[bot]

package-lock.json

@@ -44,7 +44,7 @@
     "fs-extra": "9.1.0",
     "jsdom": "15.2.1",
     "lodash": "4.17.21",
-    "prop-types": "15.7.2",
+    "prop-types": "15.8.1",
     "react": "16.14.0",
     "react-dom": "16.14.0",
     "semantic-release": "17.4.7",