refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -7,7 +7,7 @@
     <PackageVersion Include="Argon" Version="0.32.0" />
     <PackageVersion Include="ConfigureAwait.Fody" Version="3.3.2" />
     <PackageVersion Include="Fody" Version="6.9.3" />
-    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.2" />
+    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.5" />
     <PackageVersion Include="Microsoft.AspNetCore.TestHost" Version="9.0.9" />
     <PackageVersion Include="Microsoft.Data.SqlClient" Version="6.1.2" />
     <PackageVersion Include="Microsoft.Extensions.Hosting.Abstractions" Version="9.0.9" />