refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -6,11 +6,11 @@
   <ItemGroup>
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
-    <PackageVersion Include="Polyfill" Version="9.9.0" />
+    <PackageVersion Include="Polyfill" Version="9.10.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.172" />
-    <PackageVersion Include="Verify" Version="31.13.1" />
+    <PackageVersion Include="Verify" Version="31.13.2" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
-    <PackageVersion Include="Verify.XunitV3" Version="31.13.1" />
+    <PackageVersion Include="Verify.XunitV3" Version="31.13.2" />
     <PackageVersion Include="WolverineFx" Version="5.16.2" />
     <PackageVersion Include="xunit.v3" Version="3.2.2" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
@@ -19,7 +19,7 @@
     <PackageVersion Include="System.Text.Json" Version="10.0.3" />
     <PackageVersion Include="Microsoft.Extensions.Caching.Memory" Version="10.0.3" />
     <PackageVersion Include="Argon" Version="0.33.5" />
-    <PackageVersion Include="DiffEngine" Version="18.4.1" />
+    <PackageVersion Include="DiffEngine" Version="18.4.2" />
     <PackageVersion Include="EmptyFiles" Version="8.17.2" />
     <PackageVersion Include="SimpleInfoName" Version="3.2.0" />
   </ItemGroup>