Fix PackageReference version to reflect updated NativeImport package

Author: timyhac

src/libplctag/libplctag.csproj

@@ -19,7 +19,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="libplctag.NativeImport" Version="1.0.39" />
+    <PackageReference Include="libplctag.NativeImport" Version="1.0.40" />
   </ItemGroup>
 
   <ItemGroup>