Bump xunit from 2.5.1 to 2.6.2

Bumps [xunit](https://github.com/xunit/xunit) from 2.5.1 to 2.6.2.
- [Commits](xunit/xunit@2.5.1...2.6.2)

---
updated-dependencies:
- dependency-name: xunit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/Directory.Packages.props

@@ -13,7 +13,7 @@
  <!-- Test Package Versions -->
  <ItemGroup>
  <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
- <PackageVersion Include="xunit" Version="2.5.1" />
+ <PackageVersion Include="xunit" Version="2.6.2" />
  <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.1" />
  <PackageVersion Include="Akka.TestKit.XUnit2" Version="1.5.8" />
  <PackageVersion Include="FluentAssertions" Version="6.11.0" />