Update verify to v31

Author: renovate[bot]

Directory.Packages.props

@@ -67,9 +67,9 @@
         <PackageVersion Include="Verify.FakeItEasy" Version="2.1.0" />
         <PackageVersion Include="Verify.Moq" Version="2.2.0" />
         <PackageVersion Include="Verify.NSubstitute" Version="2.1.0" />
-        <PackageVersion Include="Verify.TUnit" Version="29.5.0" />
-        <PackageVersion Include="Verify.XUnit" Version="29.5.0" />
-        <PackageVersion Include="Verify.XUnitV3" Version="29.5.0" />
+        <PackageVersion Include="Verify.TUnit" Version="31.3.0" />
+        <PackageVersion Include="Verify.XUnit" Version="31.3.0" />
+        <PackageVersion Include="Verify.XUnitV3" Version="31.3.0" />
         <PackageVersion Include="xunit" Version="2.9.3" />
         <PackageVersion Include="xunit.abstractions" Version="2.0.3" />
         <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />