Update dependency flow-bin to v0.94.0

Author: renovate-bot

package-lock.json

@@ -43,7 +43,7 @@
     "babel-plugin-module-resolver": "3.1.1",
     "eslint": "5.9.0",
     "eslint-config-metalab": "10.0.0",
-    "flow-bin": "0.86.0",
+    "flow-bin": "0.94.0",
     "graphql": "14.0.2",
     "graphql-tag": "2.10.0",
     "jest": "23.6.0",