chore(package): update eslint-plugin-flowtype to version 2.34.0

Author: greenkeeper[bot]

package.json

@@ -124,7 +124,7 @@
     "eslint": "3.19.0",
     "eslint-config-prettier": "2.1.1",
     "eslint-plugin-babel": "4.1.1",
-    "eslint-plugin-flowtype": "2.33.0",
+    "eslint-plugin-flowtype": "2.34.0",
     "eslint-plugin-react": "7.0.1",
     "eslint-plugin-react-native": "2.3.2",
     "flow-bin": "0.38.0",