feat: support version checking and automatic updating in AgentScope-Desktop

### Is your feature request related to a problem?

_No response_

### Describe the Solution You'd Like

Before releasing the installation packages of AgentScope Desktop on GitHub — covering Windows, macOS, and Linux — we need to first build a robust version checking and auto-update system. This ensures that users can seamlessly receive update notifications, upgrade to the latest version, and benefit from timely bug fixes.

### Describe Alternatives You've Considered

_No response_

### Additional Context

_No response_

### Checklist

- [x] I have searched existing issues and confirmed this is not a duplicate