Merge pull request #79 from kimcoder/dependabot/npm_and_yarn/async-2.6.4

build(deps): bump async from 2.6.3 to 2.6.4

Author: kimcoder

package-lock.json

@@ -1452,8 +1452,8 @@ async-limiter@~1.0.0:
   resolved "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.1.tgz"
 
 async@^2.6.1, async@^2.6.2:
-  version "2.6.3"
-  resolved "https://registry.npmjs.org/async/-/async-2.6.3.tgz"
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
   dependencies:
     lodash "^4.17.14"