refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -4,7 +4,7 @@
     <CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.1" />
+    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageVersion Include="OpenTelemetry" Version="1.15.1" />
     <PackageVersion Include="OpenTelemetry.Exporter.InMemory" Version="1.15.1" />