chore: enforce listCollaborators to TicketCollaborator[]

Author: jakehwll

src/clients/core/tickets.js

@@ -127,6 +127,12 @@ const {Client} = require('../client');
  * @property {Array<Ticket>} [tickets] - The ticket object to create many tickets.
  */
 
+/**
+ * @typedef {object} TicketCollaborator
+ * @property {number} id - The ID of the collaborator.
+ * @property {string} name - The name of the collaborator.
+ */
+
 /**
  * @class
  * Client for the Zendesk API - Tickets.
@@ -238,7 +244,7 @@ class Tickets extends Client {
   /**
    * List collaborators of a specific ticket.
    * @param {number} ticketId - The ID of the ticket.
-   * @returns {Promise<Array>} An array of collaborators for the ticket.
+   * @returns {Promise<Array<TicketCollaborator>>} An array of collaborators for the ticket.
    * @see {@link https://developer.zendesk.com/api-reference/ticketing/tickets/tickets/#list-tickets}
    * @example
    * const collaborators = await client.tickets.listCollaborators(7890);