doc: fix second parameter name of events.addAbortListener

Second parameter name is described as `listener`(not resource)
in below line.

PR-URL: nodejs#48922
Reviewed-By: Moshe Atlow <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: Akhil Marsonya <[email protected]>
Reviewed-By: Tobias Nießen <[email protected]>

doc/api/events.md

@@ -1803,7 +1803,7 @@ const emitter = new EventEmitter();
 setMaxListeners(5, target, emitter);
 ```
 
-## `events.addAbortListener(signal, resource)`
+## `events.addAbortListener(signal, listener)`
 
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