chore(package): update flow-bin to version 0.55.0

Closes #21

Author: greenkeeper[bot]

package.json

@@ -35,7 +35,7 @@
     "eslint-plugin-import": "2.7.0",
     "eslint-plugin-jsx-a11y": "5.1.1",
     "eslint-plugin-react": "7.2.1",
-    "flow-bin": "0.52.0",
+    "flow-bin": "0.55.0",
     "jest": "20.0.4",
     "react-test-renderer": "16.0.0-alpha.12"
   },