Merge pull request #806 from graphql/greenkeeper/flow-bin-0.44.0

Update flow-bin to the latest version 🚀

Author: wincent

package.json

@@ -70,7 +70,7 @@
     "eslint": "3.19.0",
     "eslint-plugin-babel": "4.1.1",
     "eslint-plugin-flowtype": "2.30.4",
-    "flow-bin": "0.43.1",
+    "flow-bin": "0.44.0",
     "isparta": "4.0.0",
     "mocha": "3.2.0",
     "sane": "1.6.0"