Add Stephen to attendees (#1685)

Author: fotoetienne

agendas/2025/03-Mar/06-wg-primary.md

@@ -116,6 +116,7 @@ hold additional secondary meetings later in the month.
 | Michael Staib    | @michaelstaib | ChilliCream        | Zurich, CH            |
 | Janette Cheng    | @janettec     | Meta               | New York, NY, US      |
 | Matt Mahoney     | @mjmahone     | Meta               | New York, NY, US      |
+| Stephen Spalding | @fotoetienne  | Netflix            | Los Gatos, CA, US     |
 
 ## Agenda