fix(types): correct response type for sideconversations.list (#435)

src/clients/core/sideconversations.js

@@ -125,7 +125,7 @@ class SideConversations extends Client {
   /**
    * List all the Side Conversations tickets.
    * @param {number} ticketID - the Id of the ticket.
-   * @returns {Promise<{result: Array<{ side_conversations: SideConversation[] }>}>} An array of tickets.
+   * @returns {Promise<SideConversation[]>} An array of side conversation objects.
    * @see https://developer.zendesk.com/api-reference/ticketing/side_conversation/side_conversation/#list-side-conversations
    * @example
    * const tickets = await client.sideconversations.list(123);