Update SixLabors.ImageSharp.Drawing, re-add blank at end

Author: georg-jung

Directory.Packages.props

@@ -34,7 +34,7 @@
     <PackageVersion Include="Shouldly" Version="4.2.1" />
     <PackageVersion Include="SimpleSIMD" Version="3.3.1" />
     <PackageVersion Include="SixLabors.ImageSharp" Version="3.1.2" />
-    <PackageVersion Include="SixLabors.ImageSharp.Drawing" Version="2.1.0" />
+    <PackageVersion Include="SixLabors.ImageSharp.Drawing" Version="2.1.1" />
     <PackageVersion Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageVersion Include="System.Interactive" Version="6.0.1" />
     <PackageVersion Include="System.Threading.Channels" Version="8.0.0" />
@@ -54,4 +54,4 @@
   <ItemGroup>
     <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
   </ItemGroup>
-</Project>
+</Project>