chore(bubble): add version bump (#23)

Add version bump of #20

Author: Raven-Book

.changes/bubble-patch.md

@@ -0,0 +1,8 @@
+---
+"@matechat/react": patch
+---
+
+Add loading animation during AI request wait states.
+
+- Updated `BubbleListProps` and `Bubble` in `bubble.tsx` to support pending states
+- Modified `useChat` in `chat.ts` to set `pending = true` before API requests