[ZRH-2025] Add sponsors Cognizant and Eficode (#14725)

Author: romanoroth

content/events/2025-zurich/sponsor.md

@@ -153,7 +153,7 @@ Sponsors are encouraged to represent themselves by actively participating and en
       <td bgcolor="#E5E5E5"><center>SOLD OUT</center></td>
       <td bgcolor="#FFBB7F"><center>UNLIMITED</center></td>
       <td bgcolor="#85cdad"><center>SOLD OUT</center></td>
-      <td bgcolor="#8bc2d6"><center>1</center></td>
+      <td bgcolor="#8bc2d6"><center>SOLD OUT</center></td>
       <td bgcolor="#8bc2d6"><center>1</center></td>
       <td bgcolor="#8bc2d6"><center>1</center></td>
     </tr>

data/events/2025/zurich/main.yml

@@ -165,7 +165,10 @@ sponsors:
   level: event
 - id: amanox
   level: bronze
-
+- id: eficode 
+  level: event
+- id: cognizant 
+  level: bronze
 
 sponsors_accepted: "no" # Whether you want "Become a XXX Sponsor!" link