refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -14,7 +14,7 @@
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
     <PackageVersion Include="Verify.NUnit" Version="30.18.0" />
     <PackageVersion Include="NUnit" Version="4.4.0" />
-    <PackageVersion Include="NUnit3TestAdapter" Version="5.1.0" />
+    <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.2" />
   </ItemGroup>
 </Project>