chore(deps): update dependency verify.tunit to 31.13.0

Author: renovate[bot]

src/Directory.Packages.props

@@ -29,7 +29,7 @@
     <PackageVersion Include="System.Reactive" Version="6.1.0" />
     <PackageVersion Include="System.Text.RegularExpressions" Version="4.3.1" />
     <PackageVersion Include="TUnit" Version="1.15.11" />
-    <PackageVersion Include="Verify.TUnit" Version="31.12.5" />
+    <PackageVersion Include="Verify.TUnit" Version="31.13.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageVersion Include="Microsoft.Reactive.Testing" Version="6.1.0" />
     <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.4.1" />