refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -8,7 +8,7 @@
     <PackageVersion Include="ConfigureAwait.Fody" Version="3.3.2" />
     <PackageVersion Include="Fody" Version="6.9.3" />
     <PackageVersion Include="LibGit2Sharp" Version="0.31.0" />
-    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.7" />
+    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.8" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.4" />
     <PackageVersion Include="Octokit" Version="14.0.0" />