Bump DynamicData from 9.1.2 to 9.2.1 (#620)

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]

src/ImageSort/ImageSort.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="DynamicData" Version="9.1.2" />
+    <PackageReference Include="DynamicData" Version="9.2.1" />
     <PackageReference Include="ReactiveUI" Version="20.1.63" />
     <PackageReference Include="GitVersionTask" Version="5.5.1">
       <PrivateAssets>All</PrivateAssets>