chore(package): update northbrook to version 4.3.6 (#57)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -31,7 +31,7 @@
     "eslint-plugin-promise": "^3.4.0",
     "eslint-plugin-standard": "^2.0.1",
     "findup-sync": "^0.4.3",
-    "northbrook": "^4.3.5"
+    "northbrook": "^4.3.6"
   },
   "devDependencies": {
     "@northbrook/buba": "^1.0.0",