refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -12,7 +12,7 @@
     <PackageVersion Include="System.CodeDom" Version="9.0.1" />
     <PackageVersion Include="System.Net.Http" Version="4.3.4" />
     <PackageVersion Include="UnicodeInformation" Version="2.7.1" />
-    <PackageVersion Include="Verify.XunitV3" Version="29.0.0" />
+    <PackageVersion Include="Verify.XunitV3" Version="28.9.0" />
     <PackageVersion Include="xunit.v3" Version="1.0.1" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.0.1" />
   </ItemGroup>