chore(package): update babel-eslint to version 7.2.3

Closes #5

https://greenkeeper.io/

package.json

@@ -35,7 +35,7 @@
   },
   "devDependencies": {
     "babel-cli": "6.24.1",
-    "babel-eslint": "7.2.1",
+    "babel-eslint": "7.2.3",
     "babel-istanbul": "0.12.2",
     "babel-plugin-transform-export-extensions": "6.22.0",
     "babel-preset-node6": "11.0.0",