Merged PR 898: chore(deps): update CommunityToolkit.Mvvm to 8.4.2

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [CommunityToolkit.Mvvm](https://github.com/CommunityToolkit/dotnet) | nuget | patch | `8.4.1` -> `8.4.2` |

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### Release Notes

<details>
<summary>CommunityToolkit/dotnet (CommunityToolkit.Mvvm)</summary>

### [`v8.4.2`](https://github.com/CommunityToolkit/dotnet/releases/tag/v8.4.2): 8.4.2

#### What's Changed

-   Fix incorrect version check order in MVVMToolkitRemoveDuplicateAnalyzers target by [@&#8203;Sergio0694](https://github.com/Sergio0694) in CommunityToolkit/dotnet#1174

**Full Changelog**: CommunityToolkit/dotnet@v8.4.1...v8.4.2

</details>

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---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

Author: Project Collection Build Service (evgenyg)

Directory.Packages.props

@@ -8,7 +8,7 @@
     <PackageVersion Include="AutoFixture.AutoMoq" Version="4.18.1" />
     <PackageVersion Include="CommunityToolkit.Maui" Version="14.0.1" />
     <PackageVersion Include="CommunityToolkit.Maui.MediaElement" Version="8.0.1" />
-    <PackageVersion Include="CommunityToolkit.Mvvm" Version="8.4.1" />
+    <PackageVersion Include="CommunityToolkit.Mvvm" Version="8.4.2" />
     <PackageVersion Include="coverlet.collector" Version="8.0.1" />
     <PackageVersion Include="FluentAssertions" Version="[7.*, 8)" />
     <PackageVersion Include="FluentValidation" Version="12.1.1" />