chore(package): update serverless-domain-manager to version 2.3.6

Closes #45

Author: greenkeeper[bot]

package.json

@@ -49,7 +49,7 @@
     "request-promise-native": "^1.0.5",
     "rimraf": "^2.6.2",
     "serverless-aws-documentation": "^1.0.0",
-    "serverless-domain-manager": "1.1.18",
+    "serverless-domain-manager": "2.3.6",
     "serverless-offline": "^3.16.0",
     "serverless-plugin-typescript": "^1.1.3",
     "serverless-stack-output": "^0.2.0",