doc: fix worker.resourceLimits type

PR-URL: #30664 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Trivikram Kamat <[email protected]>

Author: dnalborczyk

doc/api/worker_threads.md

@@ -162,7 +162,7 @@ When this function is used, no `'message'` event will be emitted and the
 added: REPLACEME
 -->
 
-*{Object|undefined}
+*{Object}
 *`maxYoungGenerationSizeMb`{number}
 *`maxOldGenerationSizeMb`{number}
 *`codeRangeSizeMb`{number}