chore(package): update flow-bin to version 0.67.1 (#44)

Author: greenkeeper[bot]

package.json

@@ -26,7 +26,7 @@
     "eslint-plugin-flowtype": "^2.36.0",
     "eslint-plugin-react": "^7.4.0",
     "eslint-plugin-react-native": "^3.1.0",
-    "flow-bin": "^0.66.0",
+    "flow-bin": "^0.67.1",
     "jest": "^22.0.0",
     "prettier": "^1.7.0",
     "prettier-eslint": "^8.2.1",