refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -4,21 +4,21 @@
     <CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.1.0" />
+    <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.2.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
     <PackageVersion Include="Polyfill" Version="10.3.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.172" />
-    <PackageVersion Include="Verify" Version="31.15.0" />
+    <PackageVersion Include="Verify" Version="31.16.1" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
-    <PackageVersion Include="Verify.XunitV3" Version="31.15.0" />
-    <PackageVersion Include="WolverineFx" Version="5.31.0" />
+    <PackageVersion Include="Verify.XunitV3" Version="31.16.1" />
+    <PackageVersion Include="WolverineFx" Version="5.31.1" />
     <PackageVersion Include="xunit.v3" Version="3.2.2" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.5" />
     <PackageVersion Include="Microsoft.Extensions.Caching.Memory" Version="10.0.6" />
     <PackageVersion Include="Argon" Version="0.33.5" />
-    <PackageVersion Include="DiffEngine" Version="19.1.2" />
-    <PackageVersion Include="EmptyFiles" Version="8.17.2" />
+    <PackageVersion Include="DiffEngine" Version="19.1.3" />
+    <PackageVersion Include="EmptyFiles" Version="8.18.1" />
     <PackageVersion Include="SimpleInfoName" Version="3.2.0" />
     <!-- explicit to avoid a cve -->
     <PackageVersion Include="System.Text.Json" Version="10.0.6" />