updating logos

Author: plancherb1

_data/materials/workshops.yaml

@@ -20,7 +20,9 @@
     - image: "/assets/images/thumbnails/pontificia.png"
       alt: "Pontificia Universidad Javeriana"
       url: "https://www.javeriana.edu.co/inicio"
-    - image: "/assets/images/thumbnails/edgeAIfoundation.jpg"
+    - image: "/assets/images/thumbnails/edgeaif.png"
+      alt: "EdgeAI Foundation"
+      url: "https://www.edgeaifoundation.org/"       
   4D_Event: 1
 
 - title: "WALC 2025 – Applied AI Workshop"
@@ -91,8 +93,7 @@
       url: "https://www.malawi.gov.mw/"    
     - image: "/assets/images/thumbnails/raido.png"
       alt: "Reliable AI and Data Optimization"
-      url: "https://raido-project.eu/"    
-    - image: "/assets/images/thumbnails/edgeAIfoundation.jpg"    
+      url: "https://raido-project.eu/"      
   4D_Event: 1
 
 - title: "Workshop on TinyML for Sustainable Development - Brazil"