add Devoxx belgium to the upcoming list

Author: insectengine

_data/events.yaml

@@ -57,6 +57,15 @@ upcomingevents:
   description: dev2next is the premier conference designed for software developers, architects, technology leaders, development managers, and directors. Explore cutting-edge strategies, tools, and essential practices for building powerful applications using the latest trends and good practices.
   thumbnail: dev2next_logo.png
 
+- title: "Devoxx Belgium"
+  type: In Person
+  link: https://github.com/quarkusio/quarkus/discussions/49392
+  date: 2025-10-10
+  displaydate: "October 6-10, 2025"
+  location: Antwerp, Belgium
+  description: This edition will shine a light on agentic workflows and autonomous systems – secure, intelligent, and increasingly capable. Whether you’re working with Model Context Protocol (MCP), building multi-agent architectures (A2A), experimenting with (Java) LLM-based Agent libraries, doing LLM inference using Java on GPU, or Spec-Driven-Development, Devoxx is the stage to share your tools, insights, and ideas.
+  thumbnail: devoxx_logo.png
+
 - title: "BaselOne"
   type: In Person
   link: https://github.com/quarkusio/quarkus/discussions/49369