Update eslint-plugin-flowtype dependency

Author: Oskar Köök

packages/eslint-config-react-app/package.json

@@ -13,7 +13,7 @@
   "peerDependencies": {
     "babel-eslint": "^7.2.3",
     "eslint": "^3.19.0",
-    "eslint-plugin-flowtype": "^2.33.0",
+    "eslint-plugin-flowtype": "^2.34.1",
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-jsx-a11y": "^5.0.3",
     "eslint-plugin-react": "^7.0.1"