chore(deps): update dependency async to v3.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
async (source)	3.2.0 -> 3.2.1

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Release Notes

caolan/async

### [`v3.2.1`](https://togithub.com/caolan/async/blob/master/CHANGELOG.md#v321) [Compare Source](https://togithub.com/caolan/async/compare/v3.2.0...v3.2.1) - Use `queueMicrotask` if available to the environment ([#​1761](https://togithub.com/caolan/async/issues/1761)) - Minor perf improvement in `priorityQueue` ([#​1727](https://togithub.com/caolan/async/issues/1727)) - More examples in documentation ([#​1726](https://togithub.com/caolan/async/issues/1726)) - Various doc fixes ([#​1708](https://togithub.com/caolan/async/issues/1708), [#​1712](https://togithub.com/caolan/async/issues/1712), [#​1717](https://togithub.com/caolan/async/issues/1717), [#​1740](https://togithub.com/caolan/async/issues/1740), [#​1739](https://togithub.com/caolan/async/issues/1739), [#​1749](https://togithub.com/caolan/async/issues/1749), [#​1756](https://togithub.com/caolan/async/issues/1756)) - Improved test coverage ([#​1754](https://togithub.com/caolan/async/issues/1754))

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