Update dependency xunit to 2.9.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
xunit	2.9.0 -> 2.9.1

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Release Notes

xunit/xunit (xunit)

### [`v2.9.1`](https://redirect.github.com/xunit/xunit/compare/2.9.0...2.9.1) [Compare Source](https://redirect.github.com/xunit/xunit/compare/2.9.0...2.9.1)

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Configuration

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