doc, meta: fix broken link in onboarding.md

PR-URL: #54886
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Ulises Gascón <ulisesgascongonzalez@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>

Author: avivkeller

onboarding.md

@@ -117,7 +117,7 @@ The project has a venue for real-time discussion:
   * You can always refer to the
     [full moderation policy](https://github.com/nodejs/admin/blob/main/Moderation-Policy.md).
   * You can contact someone in the
-    [full list of moderation team members](https://github.com/nodejs/moderation#moderation-team-members).
+    [full list of moderation team members](https://github.com/nodejs/admin/blob/main/Moderation-Policy.md#current-members-of-moderation-team).
 
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