Configuring notifications - GitHub Docs
You can receive notifications for activity on GitHub.com in the following locations. The notifications inbox in the GitHub.com web interface The notifications inbox on GitHub Mobile, which syncs with the inbox on GitHub.com An email client that uses a verified email address, which can also sync with the notifications inbox on GitHub.com and GitHub Mobile To use the notifications inbox on GitHub and GitHub Mobile, you must enable web and mobile notifications in your notification settings.
https://docs.github.com/en/account-and-profile/managing-subscriptions-and-notifications-on-github/setting-up-notifications/configuring-notifications
Seonglae Cho