Update wicon.yml (#1456)

Author: dodoxxb

conference/NW/wicon.yml

@@ -15,3 +15,11 @@
       timezone: UTC+3
       date: December 19, 2025
       place: Istanbul, Turkey (Online)
+    - year: 2026
+      id: wicon2026
+      link: https://wicon.eai-conferences.org/2026/
+      timeline:
+        - deadline: '2026-06-01 23:59:59'
+      timezone: UTC+3
+      date: December 2-4, 2026
+      place: Bratislava, Slovakia