Update dependency async to ^3.2.6

[mend-5034428]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
async (source)	^3.0.1 -> ^3.2.6

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Release Notes

caolan/async (async)

v3.2.6

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v3.2.5

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• Ensure Error objects such as AggregateError are propagated without modification (#​1920)

v3.2.4

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• Fix a bug in priorityQueue where it didn't wait for the result. (#​1725)
• Fix a bug where unshiftAsync was included in priorityQueue. (#​1790)

v3.2.3

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• Fix bugs in comment parsing in autoInject. (#​1767, #​1780)

v3.2.2

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• Fix potential prototype pollution exploit

v3.2.1

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• Use queueMicrotask if available to the environment (#​1761)
• Minor perf improvement in priorityQueue (#​1727)
• More examples in documentation (#​1726)
• Various doc fixes (#​1708, #​1712, #​1717, #​1740, #​1739, #​1749, #​1756)
• Improved test coverage (#​1754)

v3.2.0

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• Fix a bug in Safari related to overwriting func.name
• Remove built-in browserify configuration (#​1653)
• Varios doc fixes (#​1688, #​1703, #​1704)

v3.1.1

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• Allow redefining name property on wrapped functions.

v3.1.0

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• Added q.pushAsync and q.unshiftAsync, analagous to q.push and q.unshift, except they always do not accept a callback, and reject if processing the task errors. (#​1659)
• Promises returned from q.push and q.unshift when a callback is not passed now resolve even if an error ocurred. (#​1659)
• Fixed a parsing bug in autoInject with complicated function bodies (#​1663)
• Added ES6+ configuration for Browserify bundlers (#​1653)
• Various doc fixes (#​1664, #​1658, #​1665, #​1652)

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