GitHub Copilot Sign-in Failed after upgrading to the latest 143 pre-release

**Describe the bug**

I have to re-login today after upgrading to 143. However, after I login for about 20 minutes, I got an alert as attached. I am confused as I have already login so I chose cancel. Any idea?

**Versions**
- Copilot for Xcode: 0.43.143
- Xcode: 26.0.1
- macOS: 26.0.1

**Steps to reproduce**
1. upgrade from 141 to 143
2. relaunch Xcode and copilot

**Screenshots**

**Logs**

**Additional context**