Bump MartinCostello.Logging.XUnit from 0.2.0 to 0.3.0 (#921)

Bumps [MartinCostello.Logging.XUnit](https://github.com/martincostello/xunit-logging) from 0.2.0 to 0.3.0.
- [Release notes](https://github.com/martincostello/xunit-logging/releases)
- [Commits](https://github.com/martincostello/xunit-logging/compare/v0.2.0...v0.3.0)

---
updated-dependencies:
- dependency-name: MartinCostello.Logging.XUnit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

tests/KubernetesClient.Classic.Tests/KubernetesClient.Classic.Tests.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-      <PackageReference Include="MartinCostello.Logging.XUnit" Version="0.2.0" />
+      <PackageReference Include="MartinCostello.Logging.XUnit" Version="0.3.0" />
       <PackageReference Include="FluentAssertions" Version="6.7.0" />
       <PackageReference Include="Microsoft.Extensions.Logging" Version="6.0.0" />
       <PackageReference Include="System.IO.Abstractions.TestingHelpers" Version="13.2.47" />