doc: add gdams to collaborators

PR-URL: #22236
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>

Author: George Adams

README.md

@@ -373,6 +373,8 @@ For more information about the governance of the Node.js project, see
 **Jeremiah Senkpiel** <fishrock123@rocketmail.com>
 * [gabrielschulhof](https://github.com/gabrielschulhof) -
 **Gabriel Schulhof** <gabriel.schulhof@intel.com>
+* [gdams](https://github.com/gdams) -
+**George Adams** <george.adams@uk.ibm.com> (he/him)
 * [geek](https://github.com/geek) -
 **Wyatt Preul** <wpreul@gmail.com>
 * [gibfahn](https://github.com/gibfahn) -