chore(package): update flow-bin to version 0.74.0

Author: greenkeeper[bot]

package.json

@@ -50,7 +50,7 @@
     "babel-register": "^6.24.1",
     "chai": "^4.0.0",
     "eslint": "^4.7.1",
-    "flow-bin": "^0.73.0",
+    "flow-bin": "^0.74.0",
     "flow-remove-types": "^1.2.3",
     "husky": "^0.14.3",
     "lint-staged": "^6.0.0",