refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -22,7 +22,7 @@
     <PackageVersion Include="System.Data.SqlClient" Version="4.8.6" />
     <PackageVersion Include="Verify" Version="26.4.4" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.0" />
-    <PackageVersion Include="Verify.NUnit" Version="26.4.2" />
+    <PackageVersion Include="Verify.NUnit" Version="26.4.4" />
     <PackageVersion Include="Verify.SqlServer" Version="10.0.0" />
     <!-- explicit to avoid CVE -->
     <PackageVersion Include="System.Text.Json" Version="8.0.4" />