Update dependency Verify.Xunit to v31

Author: renovate[bot]

Directory.Packages.props

@@ -17,7 +17,7 @@
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.4" />
     <PackageVersion Include="Nullable.Extended.Analyzer" Version="1.15.6581" />
     <PackageVersion Include="PublicApiGenerator" Version="11.4.6" />
-    <PackageVersion Include="Verify.Xunit" Version="30.11.0" />
+    <PackageVersion Include="Verify.Xunit" Version="31.0.4" />
     <PackageVersion Include="SonarAnalyzer.CSharp" Version="10.15.0.120848" />
   </ItemGroup>
 </Project>