add @saihaj to April 2025 meeting

Author: saihaj

agendas/2025/04-Apr/10-community-working-group-april-2025.md

@@ -26,6 +26,7 @@
 | Doc Jones  | @doc-jones  | Cyberspace  | Raleigh, NC, USA  |
 | Jem Gillam | @jemgillam | Graphile | Chandler's Ford, UK | 
 | Uri Goldshtein | @urigo | The Guild | Tel Aviv, IL |
+| Saihajpreet Singh | @saihaj | The Guild | India |
 
 
 ## Agenda