rn-125: add Usman Akinyemi among the helpers

Author: chriscool

rev_news/drafts/edition-125.md

@@ -641,5 +641,5 @@ Christian Couder &lt;<christian.couder@gmail.com>&gt;,
 Jakub Narębski &lt;<jnareb@gmail.com>&gt;,
 Markus Jansen &lt;<mja@jansen-preisler.de>&gt; and
 Kaartic Sivaraam &lt;<kaartic.sivaraam@gmail.com>&gt;
-with help from brian m. carlson, Aditya Garg,
+with help from Usman Akinyemi, brian m. carlson, Aditya Garg,
 Erik-B. Ernst and Bruno Brito.