chore(deps): update dependency tslint to v5.18.0

Author: renovate-bot

package-lock.json

@@ -47,7 +47,7 @@
     "nyc": "11.9.0",
     "rimraf": "2.6.3",
     "source-map-support": "0.5.12",
-    "tslint": "5.17.0",
+    "tslint": "5.18.0",
     "typescript": "3.5.2"
   },
   "publishConfig": {