refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -8,17 +8,17 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageVersion Include="NUnit" Version="4.5.1" />
     <PackageVersion Include="NUnit3TestAdapter" Version="6.2.0" />
-    <PackageVersion Include="Polyfill" Version="9.23.0" />
+    <PackageVersion Include="Polyfill" Version="10.0.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.172" />
     <PackageVersion Include="ProjectFiles" Version="1.1.1" />
     <PackageVersion Include="System.IO.Compression" Version="4.3.0" />
     <PackageVersion Include="System.IO.Hashing" Version="10.0.5" />
     <PackageVersion Include="System.Memory" Version="4.6.3" />
     <PackageVersion Include="System.Buffers" Version="4.6.1" />
     <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.6.3" />
-    <PackageVersion Include="Verify" Version="31.14.0" />
+    <PackageVersion Include="Verify" Version="31.15.0" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
-    <PackageVersion Include="Verify.NUnit" Version="31.14.0" />
+    <PackageVersion Include="Verify.NUnit" Version="31.15.0" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.5" />
     <PackageVersion Include="Argon" Version="0.33.5" />
     <PackageVersion Include="DocumentFormat.OpenXml" Version="3.5.1" />