Update dependency qunit to v2.19.3

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
qunit (source)	2.19.2 -> 2.19.3

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Release Notes

qunitjs/qunit

### [`v2.19.3`](https://togithub.com/qunitjs/qunit/blob/HEAD/History.md#​2193--2022-10-22) [Compare Source](https://togithub.com/qunitjs/qunit/compare/2.19.2...2.19.3) \================== ##### Fixed - Assert: Restore how deepEqual treats imposter objects. (Timo Tijhof) [#​1706](https://togithub.com/qunitjs/qunit/issues/1706)

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