message: fix(types): `ScheduledEvent#creator_id` is nullable
diff: @@ -8,7 +8,7 @@ export interface ScheduledEvent {
  /** the channel id in which the scheduled event will be hosted if specified */
  channelId: string | null;
  /** the id of the user that created the scheduled event */
  - creatorId?: string;
  + creatorId?: string | null;
  /** the name of the scheduled event */
  name: string;
  /** the description of the scheduled event */
  