Bump xunit from 2.6.6 to 2.9.3

Bumps [xunit](https://github.com/xunit/xunit) from 2.6.6 to 2.9.3.
- [Commits](xunit/xunit@v2-2.6.6...v2-2.9.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

tests/e2e/E2eTests_CoreSource.csproj

@@ -25,7 +25,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="xunit" Version="2.6.6" />
+    <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>