Update dependency Verify.Xunit to v31

Author: renovate[bot]

src/DynamicData.Tests/DynamicData.Tests.csproj

@@ -15,7 +15,7 @@
     <PackageReference Include="xunit" Version="$(XunitVersion)" />
     <PackageReference Include="xunit.runner.console" Version="$(XunitVersion)" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.*" />
-    <PackageReference Include="Verify.Xunit" Version="30.*" />
+    <PackageReference Include="Verify.Xunit" Version="31.1*" />
     <PackageReference Include="AwesomeAssertions" Version="8.*" />
     <PackageReference Include="Microsoft.Reactive.Testing" Version="6.*" />
     <PackageReference Include="PublicApiGenerator" Version="11.*" />