fix(package): update react-app-polyfill to version 1.0.0

Closes #53

Author: greenkeeper[bot]

package.json

@@ -43,7 +43,7 @@
     "postcss-safe-parser": "4.0.1",
     "prop-types": "15.6.2",
     "raf": "3.4.1",
-    "react-app-polyfill": "0.1.3",
+    "react-app-polyfill": "1.0.0",
     "react-dev-utils": "6.1.1",
     "react-dom": "16.6.3",
     "react-loadable": "5.5.0",