chore(package): update flow-bin to version 0.55.0 (graphql#168)

Closes graphql#155

Author: asiandrummer

package.json

@@ -50,7 +50,7 @@
     "eslint-plugin-dependencies": "2.4.0",
     "eslint-plugin-flowtype": "2.35.1",
     "eslint-plugin-prefer-object-spread": "1.2.1",
-    "flow-bin": "0.53.1",
+    "flow-bin": "0.55.0",
     "graphql": "^0.11.3",
     "graphql-language-service-interface": "^0.1.0-0",
     "graphql-language-service-parser": "^0.1.0-0",