Bump coverlet.msbuild from 6.0.3 to 6.0.4

Bumps [coverlet.msbuild](https://github.com/coverlet-coverage/coverlet) from 6.0.3 to 6.0.4.
- [Release notes](https://github.com/coverlet-coverage/coverlet/releases)
- [Commits](coverlet-coverage/coverlet@v6.0.3...v6.0.4)

---
updated-dependencies:
- dependency-name: coverlet.msbuild
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Directory.Packages.props

@@ -6,7 +6,7 @@
 
   <ItemGroup>
 	<PackageVersion Include="coverlet.collector" Version="6.0.3" />
-	<PackageVersion Include="coverlet.msbuild" Version="6.0.3" />
+	<PackageVersion Include="coverlet.msbuild" Version="6.0.4" />
 	<PackageVersion Include="DocFx.App" Version="2.78.2" />
 	<PackageVersion Include="DotNet.ReproducibleBuilds" Version="1.2.25" />
 	<PackageVersion Include="GitHubActionsTestLogger" Version="2.4.1" />