Bump Verify.Xunit from 20.8.2 to 26.1.2

Bumps [Verify.Xunit](https://github.com/VerifyTests/Verify) from 20.8.2 to 26.1.2.
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](VerifyTests/Verify@20.8.2...26.1.2)

---
updated-dependencies:
- dependency-name: Verify.Xunit
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

test/Directory.Packages.props

@@ -55,7 +55,7 @@
  <PackageVersion Include="System.ServiceModel.NetTcp" Version="6.2.0" />
  <PackageVersion Include="System.ValueTuple" Version="4.5.0" />
  <PackageVersion Include="Testcontainers" Version="3.8.0" />
- <PackageVersion Include="Verify.Xunit" Version="20.8.2" />
+ <PackageVersion Include="Verify.Xunit" Version="26.1.2" />
  <PackageVersion Include="xunit" Version="2.8.1" />
  <PackageVersion Include="xunit.abstractions" Version="2.0.3" />
  <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.1" />