Update a staff member

import { createAdminClient } from '@spree/admin-sdk'

const client = createAdminClient({
  baseUrl: 'https://your-store.com',
  secretKey: 'sk_xxx',
})

const staff = await client.adminUsers.update('admin_xxx', {
  first_name: 'Ada',
  role_ids: ['role_xxx']
})

{
  "id": "admin_UkLWZg9DAJ",
  "email": "leon@kessler.us",
  "first_name": "Renamed",
  "last_name": "Casper",
  "created_at": "2026-05-17T22:57:21.878Z",
  "updated_at": "2026-05-17T22:57:21.895Z",
  "roles": [
    {
      "id": "role_UkLWZg9DAJ",
      "name": "admin"
    }
  ]
}