Bump Microsoft.Build.Artifacts from 6.0.3 to 6.0.6 (#541)

Bumps [Microsoft.Build.Artifacts](https://github.com/Microsoft/MSBuildSdks) from 6.0.3 to 6.0.6.
- [Release notes](https://github.com/Microsoft/MSBuildSdks/releases)
- [Changelog](https://github.com/microsoft/MSBuildSdks/blob/main/RELEASE.md)
- [Commits](microsoft/MSBuildSdks@Microsoft.Build.Artifacts.6.0.3...Microsoft.Build.Artifacts.6.0.6)

---
updated-dependencies:
- dependency-name: Microsoft.Build.Artifacts
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Directory.Packages.props

@@ -36,7 +36,7 @@
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.5.3" />
   </ItemGroup>
   <ItemGroup>
-    <GlobalPackageReference Include="Microsoft.Build.Artifacts" Version="6.0.3" />
+    <GlobalPackageReference Include="Microsoft.Build.Artifacts" Version="6.0.6" />
     <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" />
     <GlobalPackageReference Include="Microsoft.VisualStudioEng.MicroBuild.Core" Version="1.0.0" />
     <GlobalPackageReference Include="Nerdbank.GitVersioning" Version="3.6.133" />