chore(deps): bump async from 2.6.3 to 2.6.4 (#5070)

chore(deps): bump async from 2.6.3 to 2.6.4 (#5070)

Bumps [async](https://github.com/caolan/async) from 2.6.3 to 2.6.4.
- [Release notes](https://github.com/caolan/async/releases)
- [Changelog](https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md)
- [Commits](https://github.com/caolan/async/compare/v2.6.3...v2.6.4)

---
updated-dependencies:
- dependency-name: async
dependency-type: indirect
...

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