Cannot log in to GitHub actions

**Describe the bug**
It is not possible to log in to Github actions. Even if I try to with the refresh button, it won't work.

**To Reproduce**
Steps to reproduce the behavior:
1. Open Github Actions extension
2. Click on log in
3. Afterwards it will show up in the extension that it was `Unable to connect to the GitHub API, please check your internet connection.`
4. (Optional) See error in the output log when you click on refresh button in the extension `Cannot fetch github context
Error: Cannot fetch github context`

**Expected behavior**
I expected to be logged in to my GitHub account and se my actions in the repository I'm working on

**Screenshots**

From the output log

From the extension

**Extension Version**
`v0.26.1`

Start by reproducing the login flow in the GitHub Actions extension and inspect the output log after clicking refresh. Trace the reported “Cannot fetch github context” failure and verify that login succeeds and repository actions appear in the extension.

索引モデルが issue の本文から書いたものです。