doc: add iansu to collaborators

PR-URL: #36951
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

Author: iansu

README.md

@@ -325,6 +325,8 @@ For information about the governance of the Node.js project, see
 **Zeyu Yang** <himself65@outlook.com> (he/him)
 * [hiroppy](https://github.com/hiroppy) -
 **Yuta Hiroto** <hello@hiroppy.me> (he/him)
+* [iansu](https://github.com/iansu) -
+**Ian Sutherland** <ian@iansutherland.ca>
 * [indutny](https://github.com/indutny) -
 **Fedor Indutny** <fedor.indutny@gmail.com>
 * [JacksonTian](https://github.com/JacksonTian) -