Update dependency Verify.TUnit to v31 (#1758)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -58,7 +58,7 @@
         <PackageVersion Include="Rocket.Surgery.Extensions.Testing.SourceGenerators" Version="10.0.0-beta.2" />
         <PackageVersion Include="TUnit" Version="0.67.10" />
         <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
-        <PackageVersion Include="Verify.TUnit" Version="30.20.1" />
+        <PackageVersion Include="Verify.TUnit" Version="31.0.0" />
     </ItemGroup>
     <Import
         Project="$(MSBuildThisFileDirectory)/Directory.Packages.support.props"