migrate to bun

🚀 Release Notes – Migration to Bun

🔄 Migration Overview

We have migrated the project’s package manager and runtime from pnpm to Bun.
This change improves performance, reduces install times, and simplifies dependency management.

✨ Key Changes

• Switched from pnpm to Bun as the default package manager and runtime.
• Updated project scripts to use bun instead of pnpm.
• Reduced dependency install time significantly.
• Improved developer experience with a faster dev server and testing environment.