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

{
  "success": true,
  "staff": {
    "id": "<string>",
    "firstName": "<string>",
    "lastName": "<string>",
    "email": "<string>",
    "pin": "<string>"
  },
  "error": "<string>"
}