Update dependency async to v3.2.5

[mend-for-github-com[bot]]

This PR contains the following updates:

Package	Type	Update	Change
async (source)	devDependencies	patch	3.2.4 -> 3.2.5

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Release Notes

caolan/async (async)

### [`v3.2.5`](https://togithub.com/caolan/async/blob/HEAD/CHANGELOG.md#v325) [Compare Source](https://togithub.com/caolan/async/compare/v3.2.4...v3.2.5) - Ensure `Error` objects such as `AggregateError` are propagated without modification ([#​1920](https://togithub.com/caolan/async/issues/1920))

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