refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -17,7 +17,7 @@
     <PackageVersion Include="Microsoft.Data.SqlClient" Version="6.1.2" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore" Version="10.0.0" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore.SqlServer" Version="10.0.0" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.3" />
     <PackageVersion Include="Polyfill" Version="9.0.1" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.162" />