Bump ImageSharp (#18924)

Co-authored-by: Steven Kirk <[email protected]>

build/ImageSharp.props

@@ -1,5 +1,5 @@
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <PackageReference Include="SixLabors.ImageSharp" Version="2.1.9" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="2.1.10" />
   </ItemGroup>
 </Project>