Support sending join fields when updating many to many relationships about ash HOT 2 CLOSED

ticket
|> Ash.Changeset.new()
|> Ash.Changeset.append_to_relationship(:linked_tickets, [
  {ticket1, %{link_type: :blocking}},
  {2, %{link_type: :related}},
  {%{id: 3}, %{link_type: :caused_by}}
])
|> AshExample.Api.update!()

    many_to_many :linked_tickets, AshExample.Ticket,
      through: AshExample.TicketLink,
      source_field: :id,
      destination_field: :id,
      source_field_on_join_table: :source_ticket_id,
      destination_field_on_join_table: :destination_ticket_id,
      join_fields: [:link_type]