Go to that link, these are the cookies it writes (at least for me):
* _ga
* _gcl_au
* octo
* ai_session
* cfz_adobe
* cfz_google-analytics_v4
* GHCC
* kndctr_
*_AdobeOrg_identity
* MicrosoftApplicationsTelemtryDeviceId
* OptanonConsent
* zaraz-consent
Some are from github.blog, some are from the cloudflare.com hosting. Not sure how the laws apply to that. But obviously there's several analytics cookies.