chore(package): update @types/react to version 16.9.30

Closes #27

Author: greenkeeper[bot]

package.json

@@ -13,7 +13,7 @@
   "devDependencies": {
     "@types/enzyme": "^2.7.6",
     "@types/jest": "^19.2.2",
-    "@types/react": "^15.0.0",
+    "@types/react": "^16.9.30",
     "@types/react-dom": "^0.14.23",
     "babel-jest": "^19.0.0",
     "babel-preset-es2015": "^6.24.0",