chore(deps): update dependency verify.xunit to 26.6.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Verify.Xunit	26.5.0 -> 26.6.0

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Release Notes

VerifyTests/Verify (Verify.Xunit)

### [`v26.6.0`](https://redirect.github.com/VerifyTests/Verify/compare/26.5.0...26.6.0) [Compare Source](https://redirect.github.com/VerifyTests/Verify/compare/26.5.0...26.6.0)

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