chore(deps): update dependency coverlet.msbuild to 6.0.4 (#71)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/directory.packages.props

@@ -20,7 +20,7 @@
 
   <ItemGroup>
     <PackageVersion Include="coverlet.collector" Version="6.0.4" />
-    <PackageVersion Include="coverlet.msbuild" Version="6.0.2" />
+    <PackageVersion Include="coverlet.msbuild" Version="6.0.4" />
     <PackageVersion Include="FluentAssertions" Version="8.0.1" />
     <PackageVersion Include="FluentAssertions.Analyzers" Version="0.34.1" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />