refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -10,7 +10,7 @@
     <PackageVersion Include="Fody" Version="6.9.2" />
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="27.0.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-    <PackageVersion Include="Polyfill" Version="7.27.0" />
+    <PackageVersion Include="Polyfill" Version="7.30.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.150" />
     <PackageVersion Include="Resourcer.Fody" Version="1.8.1" />
     <PackageVersion Include="Serilog" Version="4.2.0" />
@@ -27,7 +27,7 @@
     <PackageVersion Include="Verify.WinForms" Version="4.0.0" />
     <PackageVersion Include="Verify.Xunit" Version="30.0.0" />
     <PackageVersion Include="Xunit" Version="2.9.3" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="3.0.2" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.0" />
     <PackageVersion Include="XunitContext" Version="3.3.2" />
   </ItemGroup>
 </Project>