deps: update dependency nunit to 4.2.2

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
NUnit (source)	4.2.1 -> 4.2.2

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Release Notes

nunit/nunit (NUnit)

### [`v4.2.2`](https://togithub.com/nunit/nunit/releases/tag/4.2.2): NUnit 4.2.2 [Compare Source](https://togithub.com/nunit/nunit/compare/4.2.1...4.2.2) Hotfix for fixing regression bug [#​4802](https://togithub.com/nunit/nunit/issues/4802) ##### What's Changed - Use default blocking strategy for valuetasks by [@​stevenaw](https://togithub.com/stevenaw) in [https://github.com/nunit/nunit/pull/4804](https://togithub.com/nunit/nunit/pull/4804) **Full Changelog**: https://github.com/nunit/nunit/compare/4.2.1...4.2.2

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