build(deps): Bump async from 3.1.1 to 3.2.0

Bumps [async](https://github.com/caolan/async) from 3.1.1 to 3.2.0.
- [Release notes](https://github.com/caolan/async/releases)
- [Changelog](https://github.com/caolan/async/blob/master/CHANGELOG.md)
- [Commits](caolan/async@v3.1.1...v3.2.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -23,7 +23,7 @@
   },
   "main": "./lib/index.js",
   "dependencies": {
-    "async": "3.1.1",
+    "async": "3.2.0",
     "boom": "7.3.0",
     "csv-string": "3.1.8",
     "debug": "4.1.1",