chore(package): update flow-bin to version 0.58.0

Closes #4

Author: greenkeeper[bot]

package.json

@@ -29,7 +29,7 @@
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-flow": "^6.23.0",
     "eslint": "^4.0.0",
-    "flow-bin": "^0.54.1",
+    "flow-bin": "^0.58.0",
     "tape": "^4.6.3"
   },
   "dependencies": {