chore(package): update @types/react to version 16.9.31

Closes #28

Author: greenkeeper[bot]

package.json

@@ -14,7 +14,7 @@
   "license": "",
   "devDependencies": {
     "@types/chrome": "0.0.93",
-    "@types/react": "16.9.16",
+    "@types/react": "16.9.31",
     "@types/react-dom": "16.9.4",
     "css-loader": "3.3.0",
     "eslint": "6.8.0",