Bump DynamicData from 9.1.2 to 9.2.1 in /Fronter.NET (#810)

Bumps [DynamicData](https://github.com/reactiveui/DynamicData) from 9.1.2 to 9.2.1.
- [Release notes](https://github.com/reactiveui/DynamicData/releases)
- [Changelog](https://github.com/reactivemarbles/DynamicData/blob/main/ReleaseNotes.md)
- [Commits](reactivemarbles/DynamicData@9.1.2...9.2.1)

---
updated-dependencies:
- dependency-name: DynamicData
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Fronter.NET/Fronter.csproj

@@ -65,7 +65,7 @@
         <PackageReference Include="Avalonia.ReactiveUI" Version="$(AvaloniaVersion)" />
         <PackageReference Include="Avalonia.Themes.Fluent" Version="$(AvaloniaVersion)" />
         <PackageReference Include="AWSSDK.S3" Version="3.7.415.18" />
-        <PackageReference Include="DynamicData" Version="9.1.2" />
+        <PackageReference Include="DynamicData" Version="9.2.1" />
         <PackageReference Include="MessageBox.Avalonia" Version="3.2.0" />
         <PackageReference Include="MessageBox.Avalonia.Markdown" Version="3.2.0" />
         <PackageReference Include="Meziantou.Analyzer" Version="2.0.188">