serv4 + submodule update (#12740)

Co-authored-by: DrSmugleaf <DrSmugleaf@users.noreply.github.com>

Content.Server/Ensnaring/Components/EnsnareableComponent.cs

@@ -9,6 +9,5 @@ public sealed class EnsnareableComponent : SharedEnsnareableComponent
     /// <summary>
     /// The container where the <see cref="EnsnaringComponent"/> entity will be stored
     /// </summary>
-    [DataField("container")]
     public Container Container = default!;
 }