Additional admin default settings for protected branches
<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=23267) </details> <!--IssueSummary end--> ### Problem to solve Add `No one` being able to push to protected braches in `Default branch protection` in the admin settings. ### Proposal Expand `Default branch protection` in the admin area -> settings -> Visibility and access controls to include another level of protection that allows `No one` to push to protected branches. ### Links / references Customer ticket -> https://gitlab.zendesk.com/agent/tickets/99983 (internal use) /cc @jeremy\_
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