chore(deps): update xunit-dotnet monorepo

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
xunit	`2.6.6` -> `2.7.0`
xunit.runner.visualstudio	`2.5.6` -> `2.5.7`

Release Notes

xunit/xunit (xunit)

### [`v2.7.0`](https://togithub.com/xunit/xunit/compare/2.6.6...2.7.0) [Compare Source](https://togithub.com/xunit/xunit/compare/2.6.6...2.7.0)

xunit/visualstudio.xunit (xunit.runner.visualstudio)

### [`v2.5.7`](https://togithub.com/xunit/visualstudio.xunit/compare/2.5.6...2.5.7) [Compare Source](https://togithub.com/xunit/visualstudio.xunit/compare/2.5.6...2.5.7)

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

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

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

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stryker-mutator / stryker-net

chore(deps): update xunit-dotnet monorepo #2846

Release Notes

Configuration

Quality Gate passed