dotnet/orleans v8.1.0-preview3 on GitHub

What's Changed

Clean up WorkItemGroup and ActivationTaskScheduler logic by @ReubenBond in #8865
Orleans is now officially supported by Microsoft by @ReubenBond in #8882
Avoid over-counting stateless worker activations by @ReubenBond in #8886
Move ResourceOptimizedPlacementOptions to Orleans.Configuration by @ledjon-behluli in #8892
Guard against null grain context in test code by @ReubenBond in #8897
Use GrainDirectoryCacheFactory to construct a IGrainDirectoryCache by @Mostafa-Goher in #8844
Ensure StatelessWorkerAttribute.MaxLocal property is accounted for by @ReubenBond in #8885
Make EventHub tests more reliable by @benjaminpetit in #8889

Full Changelog: v8.1.0-preview2...v8.1.0-preview3