refs or cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -5,7 +5,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="Codeuctivity.ImageSharpCompare" Version="4.1.390" />
-    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.2.0" />
+    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.3.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
     <PackageVersion Include="NUnit" Version="4.6.1" />
     <PackageVersion Include="NUnit3TestAdapter" Version="6.2.0" />