fix(package): update winston to version 3.2.1

greenkeeper[bot] · greenkeeper[bot] · commit c6a2fb8ce973 · 2019-01-29T20:05:01.000Z
Closes #71
diff --git a/package.json b/package.json
@@ -46,7 +46,7 @@
   },
   "dependencies": {
     "event-emitter": "0.3.5",
-    "winston": "2.3.1"
+    "winston": "3.2.1"
   },
   "devDependencies": {
     "buble": "0.15.2",
