Update Member Role

curl -X POST 'http://localhost:9000/vendor/sellers/sel_01HXYZ/members/selmem_01HXYZ' \
  -H 'Authorization: Bearer <token>' \
  -H 'x-seller-id: <seller_id>' \
  -H 'Content-Type: application/json' \
  -d '{"role_id": "role_seller_accounting"}'

await client.vendor.sellers.$id.members.$member_id.mutate({
  $id: "sel_01HXYZ",
  $member_id: "selmem_01HXYZ",
  role_id: "role_seller_accounting",
})

{}