curl --request PATCH \
  --url http://localhost:3000/v1/staff/{id}/pin \
  --header 'Content-Type: application/json' \
  --data '
{
  "pin": "<string>"
}
'

{
  "success": true,
  "staff": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "taxonomy_id": "<string>",
    "first_name": "<string>",
    "last_name": "<string>",
    "email": "jsmith@example.com",
    "pin": "<string>"
  }
}