refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -19,6 +19,6 @@
     <PackageVersion Include="System.Drawing.Common" Version="9.0.9" />
     <PackageVersion Include="Verify.Xunit" Version="30.19.1" />
     <PackageVersion Include="Xunit" Version="2.9.3" />
-    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.4" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
   </ItemGroup>
 </Project>