Handle Zulip API request timeouts

[cywang117]

Handle this error message:

/home/christina/balena/open-office-bot/node_modules/node-fetch/lib/index.js:1491
                        reject(new FetchError(`request to ${request.url} failed, reason: ${err.message}`, 'system', err));
                               ^
FetchError: request to https://balena.zulipchat.com/api/v1/users/me/presence failed, reason: connect ETIMEDOUT IP_ADDRESS_OMITTED_FOR_SECURITY:443
    at ClientRequest.<anonymous> (/home/christina/balena/open-office-bot/node_modules/node-fetch/lib/index.js:1491:11)
    at ClientRequest.emit (node:events:513:28)
    at TLSSocket.socketErrorListener (node:_http_client:481:9)
    at TLSSocket.emit (node:events:513:28)
    at emitErrorNT (node:internal/streams/destroy:157:8)
    at emitErrorCloseNT (node:internal/streams/destroy:122:3)
    at processTicksAndRejections (node:internal/process/task_queues:83:21) {
  type: 'system',
  errno: 'ETIMEDOUT',
  code: 'ETIMEDOUT'
}