refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -7,7 +7,7 @@
     <PackageVersion Include="EfClassicLocalDb" Version="22.0.0" />
     <PackageVersion Include="EfLocalDb" Version="22.0.0" />
     <PackageVersion Include="EntityFramework" Version="6.5.1" />
-    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.7" />
+    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.8" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="10.0.0" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore" Version="10.0.0" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore.InMemory" Version="10.0.0" />
@@ -18,7 +18,7 @@
     <PackageVersion Include="Microsoft.SqlServer.TransactSql.ScriptDom" Version="170.128.0" />
     <PackageVersion Include="NUnit" Version="4.4.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />
-    <PackageVersion Include="Polyfill" Version="9.2.0" />
+    <PackageVersion Include="Polyfill" Version="9.3.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.162" />
     <PackageVersion Include="System.Data.SqlClient" Version="4.9.0" />
     <PackageVersion Include="Verify" Version="31.7.2" />