clarify which Github access scopes are mandatory

Run the command using github-unstar. It will ask for your personal access token. Generate that in GitHub account for one time usage. Make sure to check all privileges while generating the token.

related pages:
https://github.com/settings/tokens/new
https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/creating-a-personal-access-token

also involves some clicking:

[uy]

Just "repo" is enough. I remove all stars 2min ago. Somehow still shows 1 star on menu but empty list.