Extension causes high cpu load

[Tim979g]

• Issue Type: Performance
• Extension Name: vscode-github
• Extension Version: 0.30.6
• OS Version: Windows_NT x64 10.0.19042
• VS Code version: 1.61.2

⚠️ Make sure to attach this file from your home-directory:
⚠️c:\Users\abc\AppData\Local\Temp\KnisterPeter.vscode-github-unresponsive.cpuprofile.txt

Find more details here: https://github.com/microsoft/vscode/wiki/Explain-extension-causes-high-cpu-load

[github-actions]

Duplicate of #443