chore(package): update flow-bin to version 0.120.1

Closes #112

Author: greenkeeper[bot]

Diff for: package.json

@@ -103,7 +103,7 @@
     "eslint-config-xo-space": "^0.17.0",
     "eslint-plugin-flowtype": "^2.36.0",
     "express": "^4.16.0",
-    "flow-bin": "^0.58.0",
+    "flow-bin": "^0.120.1",
     "flow-remove-types": "^1.2.1",
     "generate-release": "^0.14.0",
     "nodemon": "^1.12.1",