chore: update xunit package versions

Author: filzrev

test/Directory.Packages.props

@@ -5,10 +5,10 @@
   <ItemGroup>
     <PackageVersion Include="FluentAssertions" Version="[7.1.0]" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
-    <PackageVersion Include="Verify.XunitV3" Version="28.11.0" />
-    <PackageVersion Include="xunit.v3" Version="1.1.0" />
-    <PackageVersion Include="xunit.v3.assert" Version="1.1.0" />
-    <PackageVersion Include="xunit.v3.extensibility.core" Version="1.1.0" />
+    <PackageVersion Include="Verify.XunitV3" Version="28.13.0" />
+    <PackageVersion Include="xunit.v3" Version="2.0.0" />
+    <PackageVersion Include="xunit.v3.assert" Version="2.0.0" />
+    <PackageVersion Include="xunit.v3.extensibility.core" Version="2.0.0" />
   </ItemGroup>
 
   <!-- Following package will be removed when Microsoft.Testing.Platform is supported on major platforms. -->