Find EnumConverter constructor validation change

Proprietary

Finds new EnumConverter() constructor calls. In .NET 9, EnumConverter validates that the registered type is actually an enum and throws ArgumentException if not.

OpenRewrite.Recipes.CSharp.Migration.Dotnet.Net9.FindEnumConverter
mod run . --recipe=OpenRewrite.Recipes.CSharp.Migration.Dotnet.Net9.FindEnumConverter

Install it once, then run it on every repository under the current directory. New to the Moderne CLI? Set it up.