Handle [ObservableProperty] fields with keyword identifiers

Remove unnecessary temporary array allocation

Add new analyzer/fixer for async void [RelayCommand] methods

Set EnforceExtendedAnalyzerRules in analyzers

Check for cancellation more often in generators

Improve ImmutableArrayBuilder<T> type in MVVM Toolkit generators

Improve XML docs for Span2D<T>.Slice(int, int, int, int)

Add warning when using packages.config for MVVM Toolkit

Fix ObservableValidator generator to detect inherited properties

Add diagnostics for invalid expressions for forwarded attributes

Bump version to 8.2.1

Dynamically resolve assembly version in generator tests