refs or cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -4,7 +4,7 @@
     <CentralPackageTransitivePinningEnabled>false</CentralPackageTransitivePinningEnabled>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Argon" Version="0.20.0" />
+    <PackageVersion Include="Argon" Version="0.21.0" />
     <PackageVersion Include="Caseless.Fody" Version="1.9.1" />
     <PackageVersion Include="EmptyFiles" Version="8.3.0" />
     <PackageVersion Include="Fody" Version="6.8.1" />
@@ -25,7 +25,7 @@
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.0" />
     <PackageVersion Include="Verify.ImageMagick" Version="3.5.0" />
     <PackageVersion Include="Verify.WinForms" Version="4.0.0" />
-    <PackageVersion Include="Verify.Xunit" Version="26.1.5" />
+    <PackageVersion Include="Verify.Xunit" Version="26.1.6" />
     <PackageVersion Include="Xunit" Version="2.9.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.8.2" />
     <PackageVersion Include="XunitContext" Version="3.3.2" />