Extension causes high cpu load

[dimafema]

• Issue Type: Performance
• Extension Name: vscode-github
• Extension Version: 0.30.7
• OS Version: Darwin x64 19.6.0
• VS Code version: 1.65.2

⚠️ Make sure to attach this file from your home-directory:
⚠️file:///var/folders/d9/2j7_lm3s6gj2k1zx9xv00gv80000gp/T/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