doc: add abmusse to collaborators

PR-URL: #55086
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Jake Yuesong Li <jake.yuesong@gmail.com>
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>

README.md

@@ -282,6 +282,8 @@ For information about the governance of the Node.js project, see
 
 ### Collaborators
 
+* [abmusse](https://github.com/abmusse) -
+  **Abdirahim Musse** <<abdirahim.musse@ibm.com>>
 * [addaleax](https://github.com/addaleax) -
   **Anna Henningsen** <<anna@addaleax.net>> (she/her)
 * [aduh95](https://github.com/aduh95) -