refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -8,12 +8,12 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageVersion Include="NUnit" Version="4.4.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />
-    <PackageVersion Include="Polyfill" Version="9.3.0" />
+    <PackageVersion Include="Polyfill" Version="9.3.1" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.163" />
     <PackageVersion Include="Ulid" Version="1.4.1" />
-    <PackageVersion Include="Verify" Version="31.7.3" />
+    <PackageVersion Include="Verify" Version="31.8.0" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
-    <PackageVersion Include="Verify.NUnit" Version="31.7.3" />
+    <PackageVersion Include="Verify.NUnit" Version="31.8.0" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.4" />
   </ItemGroup>
 </Project>