fix(package): update babel-eslint to version 9.0.0

Author: greenkeeper[bot]

package.json

@@ -8,7 +8,7 @@
   "author": "Alan Pierce",
   "license": "MIT",
   "dependencies": {
-    "babel-eslint": "^8.0.0",
+    "babel-eslint": "^9.0.0",
     "babel-polyfill": "^6.22.0",
     "babel-preset-latest": "^6.22.0",
     "babel-register": "^6.22.0",