refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -8,10 +8,10 @@
     <PackageVersion Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageVersion Include="OpenMcdf" Version="3.1.0" />
-    <PackageVersion Include="Polyfill" Version="9.3.0" />
+    <PackageVersion Include="Polyfill" Version="9.3.1" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.163" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
-    <PackageVersion Include="Verify.XunitV3" Version="31.7.3" />
+    <PackageVersion Include="Verify.XunitV3" Version="31.8.0" />
     <PackageVersion Include="xunit.v3" Version="3.2.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.4" />