chore(package): update eslint to version 5.0.0

Closes #18

Author: greenkeeper[bot]

Diff for: package.json

@@ -46,7 +46,7 @@
     "@satazor/eslint-config": "^3.0.0",
     "chai": "^4.0.2",
     "coveralls": "^3.0.0",
-    "eslint": "^3.0.0",
+    "eslint": "^5.0.0",
     "istanbul": "^0.4.2",
     "mkdirp": "^0.5.1",
     "mocha": "^4.0.0",