chore(deps): update dependency eslint-plugin-babel to v5

Author: renovate-bot

package.json

@@ -45,7 +45,7 @@
     "bluebird": "3.5.4",
     "chai": "3.5.0",
     "eslint": "3.19.0",
-    "eslint-plugin-babel": "3.3.0",
+    "eslint-plugin-babel": "5.3.1",
     "express": "4.16.4",
     "graphql-server-express": "0.6.0",
     "mocha": "3.5.3",