Update DiffEngineTray.Tests.csproj

Author: SimonCropp

src/DiffEngineTray.Tests/DiffEngineTray.Tests.csproj

@@ -9,7 +9,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Verify.WinForms" Version="2.8.0" />
-    <PackageReference Include="Verify.Xunit" Version="16.1.2" />
+    <PackageReference Include="Verify.Xunit" Version="16.3.0" />
     <PackageReference Include="Verify.ImageMagick" Version="2.13.1" />
     <PackageReference Include="Xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" PrivateAssets="all" />