chore(deps): update dependency shouldly to v4.2.1

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
Shouldly (source)	nuget	patch	4.2.0 -> 4.2.1

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Release Notes

shouldly/shouldly

### [`v4.2.1`](https://togithub.com/shouldly/shouldly/releases/tag/4.2.1) [Compare Source](https://togithub.com/shouldly/shouldly/compare/4.2.0...4.2.1) #### What's Changed - Avoid Microsoft.CSharp dependency on net5.0 by [@​ViktorHofer](https://togithub.com/ViktorHofer) in [https://github.com/shouldly/shouldly/pull/897](https://togithub.com/shouldly/shouldly/pull/897) - Bump DiffEngine from 11.2.0 to 11.3.0 by [@​dependabot](https://togithub.com/dependabot) in [https://github.com/shouldly/shouldly/pull/895](https://togithub.com/shouldly/shouldly/pull/895) - docs: remove HashSnippetAnchors by [@​SimonCropp](https://togithub.com/SimonCropp) in [https://github.com/shouldly/shouldly/pull/879](https://togithub.com/shouldly/shouldly/pull/879) - Improved deterministic build support by [@​slang25](https://togithub.com/slang25) in [https://github.com/shouldly/shouldly/pull/898](https://togithub.com/shouldly/shouldly/pull/898) #### New Contributors - [@​ViktorHofer](https://togithub.com/ViktorHofer) made their first contribution in [https://github.com/shouldly/shouldly/pull/897](https://togithub.com/shouldly/shouldly/pull/897) **Full Changelog**: https://github.com/shouldly/shouldly/compare/4.2.0...4.2.1

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