Resolve vulnerability by updating async to 3.2.0 version (#420)

* Resolve vulnerability by updating async to 3.2.0 version
https://github.com/Siemienik/xlsx-renderer/issues/24
#419
exceljs/exceljs#1250

* Update lock file
https://github.com/Siemienik/xlsx-renderer/issues/24
#419
exceljs/exceljs#1250

Author: Siemienik

lib/core.js

@@ -50,10 +50,10 @@ var Archiver = function(format, options) {
   this._fsEntriesProcessedBytes = 0;
 
   this._queue = async.queue(this._onQueueTask.bind(this), 1);
-  this._queue.drain = this._onQueueDrain.bind(this);
+  this._queue.drain(this._onQueueDrain.bind(this));
 
   this._statQueue = async.queue(this._onStatQueueTask.bind(this), options.statConcurrency);
-  this._statQueue.drain = this._onQueueDrain.bind(this);
+  this._statQueue.drain(this._onQueueDrain.bind(this));
 
   this._state = {
     aborted: false,

package-lock.json

@@ -30,7 +30,7 @@
   },
   "dependencies": {
     "archiver-utils": "^2.1.0",
-    "async": "^2.6.3",
+    "async": "^3.2.0",
     "buffer-crc32": "^0.2.1",
     "glob": "^7.1.6",
     "readable-stream": "^3.6.0",