chore(package): update flow-bin to version 0.120.0

Closes #69

Author: greenkeeper[bot]

package.json

@@ -34,7 +34,7 @@
     "dot-json": "^1.0.3",
     "event-stream": "^4.0.0",
     "file-saver": "^1.3.3",
-    "flow-bin": "^0.84.0",
+    "flow-bin": "^0.120.0",
     "gulp": "^3.9.0",
     "gulp-babel": "^8.0.0",
     "gulp-clean": "^0.4.0",