About branch restrictions
Branches within repositories that belong to organizations can be configured so that only certain users, teams, or apps can push to the branch.
Protected branches are available in public repositories with GitHub Free, and in public and private repositories with GitHub Pro, GitHub Team, GitHub Enterprise Cloud, and GitHub Enterprise Server. The ability to restrict branches is a type of branch protection that's available for public and private repositories owned by organizations in GitHub Team, GitHub Enterprise Cloud, and GitHub Enterprise Server. For more information, see "GitHub's products."
When you enable branch restrictions, only users, teams, or apps that have been given permission can push to the protected branch. You can view and edit the users, teams, or apps with push access to a protected branch in the protected branch's settings.
You can only give push access to a protected branch to users, teams, or installed GitHub Apps with
write access to a repository.
People and apps with admin permissions to a repository are always able to push to a protected branch.
Note: If "Include administrators" is selected, you've enabled required status checks on the branch, and status checks fail, any attempt to push changes to the protected branch will also fail, even for people and apps with admin permissions.