Update xunit-dotnet monorepo to v2.5.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
xunit	2.4.1 -> 2.5.1
xunit.runner.visualstudio (source)	2.4.3 -> 2.5.1

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Release Notes

xunit/xunit (xunit)

### [`v2.5.1`](https://togithub.com/xunit/xunit/compare/2.5.0...2.5.1) [Compare Source](https://togithub.com/xunit/xunit/compare/2.5.0...2.5.1) ### [`v2.5.0`](https://togithub.com/xunit/xunit/compare/2.4.2...2.5.0) [Compare Source](https://togithub.com/xunit/xunit/compare/2.4.2...2.5.0) ### [`v2.4.2`](https://togithub.com/xunit/xunit/compare/2.4.1...2.4.2) [Compare Source](https://togithub.com/xunit/xunit/compare/2.4.1...2.4.2)

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Configuration

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♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

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