chore(package): update eslint to version 5.0.1

Closes #283

Author: greenkeeper[bot]

package.json

@@ -52,7 +52,7 @@
     "codacy-coverage": "^2.0.3",
     "cross-env": "^5.0.5",
     "css-loader": "^0.28.7",
-    "eslint": "^4.8.0",
+    "eslint": "^5.0.1",
     "eslint-config-posva": "^1.3.1",
     "extract-text-webpack-plugin": "^3.0.0",
     "function-bind": "^1.1.1",