Merge pull request #42 from Yelp/greenkeeper/flow-bin-0.74.0

Update flow-bin to the latest version 🚀

Author: magicmark

package.json

@@ -32,7 +32,7 @@
     "eslint-plugin-jsx-a11y": "^6.0.2",
     "eslint-plugin-prettier": "^2.6.0",
     "eslint-plugin-react": "^7.4.0",
-    "flow-bin": "^0.73.0",
+    "flow-bin": "^0.74.0",
     "flow-copy-source": "^1.2.1",
     "identity-obj-proxy": "^3.0.0",
     "jest": "^22.0.4",