Update babel-eslint to the latest version 🚀 (#119)

* chore(package): update babel-eslint to version 8.2.6

* chore(package): update lockfile

https://npm.im/greenkeeper-lockfile

Author: greenkeeper[bot]

package-lock.json

@@ -73,7 +73,7 @@
   "devDependencies": {
     "babel-cli": "6.26.0",
     "babel-core": "6.26.0",
-    "babel-eslint": "8.0.3",
+    "babel-eslint": "8.2.6",
     "babel-jest": "^21.2.0",
     "babel-loader": "7.1.2",
     "babel-plugin-add-module-exports": "0.2.1",