Bump the tests group with 2 updates

Bumps the tests group with 2 updates: xunit and xunit.runner.visualstudio.


Updates `xunit` from 2.8.1 to 2.9.0

Updates `xunit.runner.visualstudio` from 2.8.1 to 2.8.2

---
updated-dependencies:
- dependency-name: xunit
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: tests
- dependency-name: xunit.runner.visualstudio
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: tests
...

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

src/Tests/Tests.csproj

@@ -31,8 +31,8 @@
     <PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" Version="7.6.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="Microsoft.Playwright" Version="1.45.0" />
-    <PackageReference Include="xunit" Version="2.8.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.1" />
+    <PackageReference Include="xunit" Version="2.9.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
     <PackageReference Include="Moq" Version="4.20.70" />
     <PackageReference Include="Octokit" Version="12.0.0" />
     <PackageReference Include="ThisAssembly" Version="1.4.3" />