chore(deps): update dependency communitytoolkit.mvvm to 8.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
CommunityToolkit.Mvvm	8.3.1 → 8.4.0

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Release Notes

CommunityToolkit/dotnet (CommunityToolkit.Mvvm)

v8.4.0: 8.4.0

What's Changed 🆕

• Improve nullable annotations in [ObservableProperty] generated code by @​Sergio0694 in #​944
• Add .targets to validate the Windows SDK version by @​Sergio0694 in #​942
• Update SDK package checks for .NET 9 SDK by @​Sergio0694 in #​952
• Allow forwarding attributes to property accessors by @​Sergio0694 in #​946
• Fix suppressions for custom attribute targets by @​Sergio0694 in #​964
• Add support for partial properties for [ObservableProperty] by @​Sergio0694 in #​966
• Update NuGet packages to latest stable by @​Sergio0694 in #​967
• Move some diagnostics to analyzers by @​Sergio0694 in #​968
• Bug fixes to generated partial properties by @​Sergio0694 in #​970
• Handle 'required' fields in partial property code fixer by @​Sergio0694 in #​972
• Remove 'this.' expressions in partial property code fixer by @​Sergio0694 in #​973
• Add MVVM Toolkit analyzers for WinRT scenarios by @​Sergio0694 in #​979
• Embed .pdb files for all analyzer projects by @​Sergio0694 in #​980
• Add more WinRT analyzers for class-level attributes by @​Sergio0694 in #​981
• Improve locations resolution for new analyzers by @​Sergio0694 in #​984
• Remove .NET 6 TFM by @​Sergio0694 in #​985
• Allow code blocks in issue template by @​Poker-sang in #​926
• Improve 'RequiresCSharpLanguageVersionPreviewAnalyzer' by @​Sergio0694 in #​988
• Use 'ref readonly' in 'IndexOf' APIs by @​Sergio0694 in #​997
• Added Stream over ReadOnlySequence by @​paulomorgado in #​808
• Fix message for one of the WinRT diagnostics by @​Sergio0694 in #​999
• New info diagnostic for WinRT AOT compatibility when C# is not 'preview' by @​Sergio0694 in #​1000
• Fix minor typos in comments. by @​realybin in #​974
• Minor diagnostics tweaks by @​Sergio0694 in #​1003
• Update Roslyn to 4.12 for new generators by @​Sergio0694 in #​1002
• Support fixing with attribute lists with multiple attributes by @​Sergio0694 in #​1008
• Emit consistent locations for 'MVVMTK0051' diagnostics by @​Sergio0694 in #​1009
• Add more analyzers, enable unit tests for partial properties by @​Sergio0694 in #​1010
• Support more partial property modifiers, ban pointer types by @​Sergio0694 in #​1015
• Update NuGet packages to latest stable by @​Sergio0694 in #​1016
• Refine filtering logic for [GeneratedBindableCustomProperty] analyzers by @​Sergio0694 in #​1019
• Improve test coverage for SpanExtensions.IndexOf by @​Youssef1313 in #​1023
• Add code fixer for semi-auto property to '[ObservableProperty]' partial property by @​Sergio0694 in #​1020
• Improve filtering in semi-auto property analyzer by @​Sergio0694 in #​1024
• Handle semi-auto properties with expression bodies by @​Sergio0694 in #​1026

New Contributors

• @​Poker-sang made their first contribution in #​926
• @​paulomorgado made their first contribution in #​808
• @​realybin made their first contribution in #​974

Full Changelog: CommunityToolkit/dotnet@v8.3.2...v8.4.0

v8.3.2: 8.3.2

This hotfix release updates the build time validation for the Windows SDK projections, when using the .NET 9 SDK.

What's Changed 🆕

• Update SDK package checks for .NET 9 SDK by @​Sergio0694 in #​952

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