CSLA 8 releases

CSLA 8 is a substantial update to CSLA .NET, adding support for .NET 8 and other enhancements.

CSLA .NET version 8.0.0 release

CSLA .NET version 8.0.0 adds support for .NET 8 and other enhancements.

#3374 Add support for .NET 8
#3371 Remove support for Xamarin
#3463 Remove .NET Core 3.1 code
#3491 LocalProxy, HttpClient are kept alive in the root container (ServiceProvider), which causes a Memory Leak
#3481 GraphMerge loses child objects
#3617 Blazor ViewModel silently fails if model IsBusy
#3235 HttpProxy throw System.NullReferenceException when cannot connected to server
#3616 Optimize when rules cascade based on input properties
#3622 Add WaitForIdle method to base types with IsBusy property
#3623 Add client-side data portal cache capability
#3635 Ensure IDataPortalCache interface works with async/await
#3655 Improve IDataPortalCache API to be atomic
#3338 IDataPortalTarget now includes CheckRulesAsync; CslaModelBinder now calls CheckRulesAsync instead of CheckRules
#3596 Implement Blazor 8 state management for ClientContext and LocalContext
#3657 Support legacy Blazor 7 state management
#3676 Fix spin waiting for rule completion at the server
#3668 Fixed: Blazor ViewModel Save doesn't call begin edit after save
#3395 Update unit tests for CSLA 8
Numerous updates to dependencies

Thank you all so much for your support!