Update AAMAS 2026 camera-ready deadline

Updated the camera-ready deadline for AAMAS 2026 from February 11, 2026 to February 18, 2026 based on verification from the official conference website (https://cyprusconferences.org/aamas2026/important-dates/).

This change was verified by majority vote of multiple agents and confirmed against the official source.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/data/conferences/aamas.yml

@@ -52,7 +52,7 @@
     timezone: AoE
   - type: camera_ready
     label: Camera-ready deadline
-    date: '2026-02-11 23:59:59'
+    date: '2026-02-18 23:59:59'
     timezone: AoE
   date: May 25-29, 2026
   city: Paphos