refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -4,7 +4,7 @@
     <CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.24" />
+    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.25" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Analyzers" Version="3.11.0" Pinned="true" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" Pinned="true" />
     <PackageVersion Include="Microsoft.CodeAnalysis.VisualBasic" Version="4.9.2" Pinned="true" />