[CAI-25] modify list of local organisers (#15228)

Author: aameen79

data/events/2025/cairo/main.yml

@@ -76,9 +76,9 @@ team_members: # Name is the only required field for team members.
   #- name: "Sarah Elnaggar"
   #  employer: "Cegedim"
   #  linkedin: "https://www.linkedin.com/in/sarah-elnagar-f88/"
-  - name: "Samar Fadl"
+  - name: "Mark Saleeb"
     employer: "ATOS"
-    linkedin: "https://www.linkedin.com/in/samar-fadl-13767628/"
+    linkedin: "https://www.linkedin.com/in/mark-salib-545523b8/"
   - name: "Reham Saleh"
     employer: "ITIDA - SECC"
     linkedin: "https://www.linkedin.com/in/reham-saleh-30405240/"