chore: add chat and adapter-shared to changeset

These packages also have behavior changes (new "feishu" platform
in emoji and card-utils).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: m1heng

.changeset/brave-dragons-fly.md

@@ -1,5 +1,7 @@
 ---
 "@chat-adapter/feishu": minor
+"chat": patch
+"@chat-adapter/shared": patch
 ---
 
 Add Feishu (Lark) adapter for chat SDK