Update dependency xunit to v2.5.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
xunit	nuget	minor	2.4.2 -> 2.5.0

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Release Notes

xunit/xunit (xunit)

### [`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)

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Configuration

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