Update dependency Verify.NUnit to v33

Author: renovate[bot]

ScipDotnet.Tests/ScipDotnet.Tests.csproj

@@ -15,7 +15,7 @@
         <PackageReference Include="NUnit.Analyzers" Version="3.3.0" />
         <PackageReference Include="coverlet.collector" Version="3.1.2" />
         <PackageReference Include="TextCopy" Version="6.2.0" />
-        <PackageReference Include="Verify.NUnit" Version="19.3.0" />
+        <PackageReference Include="Verify.NUnit" Version="33.0.2" />
     </ItemGroup>
 
     <ItemGroup>