chore: bump libraries.

Author: ldez

docs/lib/async.js

@@ -10,11 +10,9 @@
         return;
       }
       this._worker = new window.Worker(workerURI);
-      this._worker.addEventListener('message', (function(_this) {
-        return function() {
-          return _this._asyncEvent.apply(_this, arguments);
-        };
-      })(this));
+      this._worker.addEventListener('message', () => {
+        return this._asyncEvent(...arguments);
+      });
       return this._asyncCallbacks = {};
     },
     _asyncEvent: function(e) {