doc, typings: events.once accepts symbol event type

PR-URL: https://github.com/nodejs/node/pull/53542
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

doc/api/events.md

@@ -1337,7 +1337,7 @@ changes:
 -->
 
 * `emitter` {EventEmitter}
-* `name` {string}
+* `name` {string|symbol}
 * `options` {Object}
   * `signal` {AbortSignal} Can be used to cancel waiting for the event.
 * Returns: {Promise}

lib/events.js

@@ -967,7 +967,7 @@ function getMaxListeners(emitterOrTarget) {
  * Creates a `Promise` that is fulfilled when the emitter
  * emits the given event.
  * @param {EventEmitter} emitter
- * @param {string} name
+ * @param {string | symbol} name
  * @param {{ signal: AbortSignal; }} [options]
  * @returns {Promise}
  */