fix(package): update async to version 3.1.0

greenkeeper[bot] · greenkeeper[bot] · commit 6d795052e7a8 · 2019-06-23T05:32:50.000Z
Closes #36
diff --git a/package.json b/package.json
@@ -23,7 +23,7 @@
     "commitmsg": "validate-commit-msg"
   },
   "dependencies": {
-    "async": "2.5.0",
+    "async": "3.1.0",
     "debug": "2.6.8",
     "lodash": "4.17.4"
   },
