Correct documentation in System.Mem.Weak
Since #13167 (closed) is closed, exceptions thrown in finalizers are ignored and doesn't affect other finalizers in the same batch. This MR updates the documentation in System.Mem.Weak to reflect that.
Since #13167 (closed) is closed, exceptions thrown in finalizers are ignored and doesn't affect other finalizers in the same batch. This MR updates the documentation in System.Mem.Weak to reflect that.