message: fix resolve in webex
diff: @@ -239,7 +239,7 @@ export class WebexAdapter extends BotAdapter {
  * Clear out and reset all the webhook subscriptions currently associated with this application.
  */
  public async resetWebhookSubscriptions(): Promise<any> {
  - return new Promise((resolve, reject) => {
  + return new Promise<void>((resolve, reject) => {
  this._api.webhooks.list().then(async (list) => {
  for (let i = 0; i < list.items.length; i++) {
  await this._api.webhooks.remove(list.items[i]).catch(reject);
  