doc: add vdeturckheim as collaborator

PR-URL: #18432
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>

Author: vdeturckheim

README.md

@@ -497,6 +497,8 @@ For more information about the governance of the Node.js project, see
 **Rich Trott** <rtrott@gmail.com> (he/him)
 * [tunniclm](https://github.com/tunniclm) -
 **Mike Tunnicliffe** <m.j.tunnicliffe@gmail.com>
+* [vdeturckheim](https://github.com/vdeturckheim) -
+**Vladimir de Turckheim** <vlad2t@hotmail.com> (he/him)
 * [vkurchatkin](https://github.com/vkurchatkin) -
 **Vladimir Kurchatkin** <vladimir.kurchatkin@gmail.com>
 * [vsemozhetbyt](https://github.com/vsemozhetbyt) -