* upstream/master: (56 commits)
Resolve "When changing project visibility setting, change other dropdowns automatically"
change headings to improve SEO
backports changed import logic from pull mirroring feature into CE
Fix header component spec
Add a Rake task to aid in rotating otp_key_base
Remove unnecessary variable
Add changelog entry
Allow users to be hard-deleted from the admin user show page
Allow users to be hard-removed from the admin users list page
Support hard deletion in Admin::UsersController#destroy
Add changelog entry
Extract and memoize `user_access`
Remove GitAccessStatus (no longer needed)
Refactor construction of response
Refactor to remove a special case
Fix would-be regression
Clarify error messages
Refactor to let GitAccess errors bubble up
Refactor to let `GitAccess` check protocol config
Specify new Git-LFS-over-HTTP behavior
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