Allow Developers to fork projects
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### Current state
Only Maintainers and above are able to fork projects into a group in order to prevent Developer role users from forking projects that contain protected branches.
This has been clarified in https://gitlab.com/gitlab-org/gitlab/-/merge_requests/123807+.
However, [customers are interested](https://gitlab.com/gitlab-org/gitlab/-/issues/413440#note_1435255359) in having a possibility to allow Developer role to fork project into a group.
### Technical considerations
Importing projects is allowed for only Maintainers and above. This is on purpose, for security reasons, and should not be changed.
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