Update IronSoftware.System.Drawing package version to 2024.4.1

Author: Artem Koloskov

main/NPOI.Multitarget.csproj

@@ -18,7 +18,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-		<PackageReference Include="IronSoftware.System.Drawing" Version="2024.3.4" />
+		<PackageReference Include="IronSoftware.System.Drawing" Version="2024.4.1" />
 		<PackageReference Include="Enums.NET" Version="4.0.2" />
 		<PackageReference Include="ExtendedNumerics.BigDecimal" Version="2023.1000.4.35" />
 		<PackageReference Include="MathNet.Numerics.Signed" Version="5.0.0" />