[AMS-2025] update sponsor

Now with fixed YAML

Author: josvanschouten

data/events/2025/amsterdam/main.yml

@@ -133,7 +133,7 @@ sponsors:
     level: lanyard
   # Bronze
   - id: devleaps
-  level: bronze
+    level: bronze
 #   - id: samplesponsorname
 #     level: gold
 #  #  url: http://mysponsor.com/?campaign=me # Use this if you need to over-ride a sponsor URL.