Add Ivan to Oct2023 WG (#269)

Author: IvanGoncharov

working-group/agendas/2023/2023-10-26.md

@@ -101,6 +101,7 @@ Benjie Gillam           | @Benjie                | Graphile                | Sou
 Jovi De Croock          | @JoviDeCroock          | Stellate                | Aalst, BE
 Denis Badurina          | @enisdenjo             | The Guild               | Sarajevo, BA
 Gabriel McAdams         | @ghmcadams             | self                    | San Jose, CA, USA
+Ivan Goncharov          | @IvanGoncharov         | Apollo                  | Lviv, UA
 
 ## Agenda