build(deps): update Splat.Drawing requirement from 9.* to 10.* in /src (#2652)

Updates the requirements on [Splat.Drawing](https://github.com/reactiveui/splat) to permit the latest version.
- [Release notes](https://github.com/reactiveui/splat/releases)
- [Changelog](https://github.com/reactiveui/splat/blob/main/RELEASENOTES.md)
- [Commits](reactiveui/splat@9.0.4...10.0.1)

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

src/ReactiveUI.Drawing/ReactiveUI.Drawing.csproj

@@ -15,6 +15,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Splat.Drawing" Version="9.*" />
+    <PackageReference Include="Splat.Drawing" Version="10.*" />
   </ItemGroup>
 </Project>