chore(package): update flow-bin to version 0.124.0

Closes #351

Author: greenkeeper[bot]

package.json

@@ -105,7 +105,7 @@
     "enzyme": "^3.5.1",
     "enzyme-adapter-react-16": "^1.4.0",
     "extract-text-webpack-plugin": "^3.0.2",
-    "flow-bin": "^0.81.0",
+    "flow-bin": "^0.124.0",
     "flow-typed": "^2.5.1",
     "jest": "^23.2.0",
     "jest-enzyme": "^7.0.1",