Merge branch '217966-default-project-creation-admin-option' into 'master'

Add admin role option for the default project creation protection

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/171245



Merged-by: Michael Becker <mbecker@gitlab.com>
Approved-by: Jarka Košanová <jarka@gitlab.com>
Approved-by: Emily Sahlani <esahlani@gitlab.com>
Approved-by: Abhilash Kotte <akotte@gitlab.com>
Approved-by: Michael Becker <mbecker@gitlab.com>
Reviewed-by: Jarka Košanová <jarka@gitlab.com>
Reviewed-by: Abdul Wadood <awadood@gitlab.com>
Reviewed-by: Michael Becker <mbecker@gitlab.com>
Reviewed-by: Duo Code Reviewer <duo-code-review-bot@gitlab.com>
Reviewed-by: Emily Sahlani <esahlani@gitlab.com>
Co-authored-by: Abdul Wadood <awadood@gitlab.com>