Upgrade eslint 5.7.0 -> 5.8.0

Author: ehmicky

package-lock.json

@@ -51,7 +51,7 @@
   },
   "devDependencies": {
     "ava": "^1.0.0-rc.1",
-    "eslint": "^5.7.0",
+    "eslint": "^5.8.0",
     "eslint-config-prettier": "^3.1.0",
     "eslint-config-standard": "^12.0.0",
     "eslint-config-standard-prettier-fp": "^1.4.0",