refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -9,11 +9,11 @@
     <PackageVersion Include="NUnit" Version="4.4.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />
     <PackageVersion Include="PdfPig" Version="0.1.12" />
-    <PackageVersion Include="Polyfill" Version="9.3.0" />
+    <PackageVersion Include="Polyfill" Version="9.3.1" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.163" />
-    <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>