chore(deps): update dependency flow-bin to ^0.81.0

Author: renovate-bot

package.json

@@ -91,7 +91,7 @@
     "eslint": "^4.0.0",
     "eslint-plugin-flowtype": "^2.30.0",
     "eslint-watch": "^3.0.0",
-    "flow-bin": "^0.80.0",
+    "flow-bin": "^0.81.0",
     "flow-copy-source": "^1.2.1",
     "flow-watch": "^1.1.0",
     "husky": "^0.14.3",

yarn.lock

@@ -2543,9 +2543,9 @@ flat-cache@^1.2.1:
     graceful-fs "^4.1.2"
     write "^0.2.1"
 
-flow-bin@^0.80.0:
-  version "0.80.0"
-  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.80.0.tgz#04cc1ee626a6f50786f78170c92ebe1745235403"
+flow-bin@^0.81.0:
+  version "0.81.0"
+  resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.81.0.tgz#7f0a733dce1dad3cb1447c692639292dc3d60bf5"
 
 flow-copy-source@^1.2.1:
   version "1.2.1"