refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -7,10 +7,10 @@
     <PackageVersion Include="FakeItEasy" Version="8.3.0" />
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.10" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
-    <PackageVersion Include="Polyfill" Version="9.4.1" />
+    <PackageVersion Include="Polyfill" Version="9.5.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.170" />
-    <PackageVersion Include="Verify" Version="31.9.0" />
-    <PackageVersion Include="Verify.XunitV3" Version="31.9.0" />
+    <PackageVersion Include="Verify" Version="31.9.3" />
+    <PackageVersion Include="Verify.XunitV3" Version="31.9.3" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
     <PackageVersion Include="xunit.v3" Version="3.2.1" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />