fix dates

Author: insectengine

_data/events.yaml

@@ -33,7 +33,7 @@ upcomingevents:
   type: Virtual
   link: https://github.com/quarkusio/quarkus/discussions/44905
   date: 2025-01-30
-  displaydate: "January 25-30, 2025"
+  displaydate: "January 23-24 & 27-28, 2025"
   location: Virtual
   description: Conference organized by Java Champions and featuring Java Champions in the presentations.
   thumbnail: jchampionsconf_logo.png