chore(package): update babel-eslint to version 8.0.0

Author: greenkeeper[bot]

package.json

@@ -38,7 +38,7 @@
   },
   "devDependencies": {
     "ava": "^0.20.0",
-    "babel-eslint": "^7.1.1",
+    "babel-eslint": "^8.0.0",
     "eslint": "^3.10.2",
     "eslint-config-iansinnott": "^1.0.1",
     "eslint-config-zen": "^3.0.0",