chore(package): update tslint-microsoft-contrib to version 6.1.1

Closes #381

Author: greenkeeper[bot]

package.json

@@ -72,7 +72,7 @@
     "ts-node": "8.0.2",
     "tslint": "5.12.1",
     "tslint-config-prettier": "1.18.0",
-    "tslint-microsoft-contrib": "6.0.0",
+    "tslint-microsoft-contrib": "6.1.1",
     "tslint-sonarts": "1.9.0",
     "typemoq": "2.1.0",
     "typescript": "3.3.3",