https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/11910#note_31632911

Feedback:
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/11910#note_31594492
https://gitlab.com/gitlab-org/gitlab-ce/issues/30634#note_31601001

* 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
  ...

Fix typo in helm chart installation doc (#32236)

Closes #32236

See merge request !11891

Backport CI codeclimate example doc change from EE

See merge request !11903

Add note on customizing body size to support Registry

See merge request !11904

Corrected spelling mistake in permissions.md "it total" -> "in total".

See merge request !11908

Issues documentation: improve SEO

See merge request !11919

Merge branch '24032-when-changing-project-visibility-setting-change-other-dropdowns-automatically' into 'master'

Resolve "When changing project visibility setting, change other dropdowns automatically"

Closes #24032

See merge request !11831

Cleanup style of confirmation page

See merge request !11774

Fix typo in user activity debug log message

See merge request !11898

Add a Rake task to aid in rotating otp_key_base

Closes #29690

See merge request !11881

backports changed import logic from pull mirroring feature into CE

See merge request !11850

Merge branch '33321-spec-failure-in-spec-javascripts-pipelines-header_component_spec-js-46-expected-failed-pipeline-123-triggered-4-weeks-ago-by-foo-to-equal-failed-pipeline-123-triggered-3-weeks-ago-by-foo' into 'master'

Resolve "Spec failure in spec/javascripts/pipelines/header_component_spec.js:46 : Expected 'failed Pipeline #123 triggered 4 weeks ago by Foo' to equal 'failed Pipeline #123 triggered 3 weeks ago by Foo'."

Closes #33321

See merge request !11915

Fix Git-over-HTTP rejections

See merge request !11398

Add Chinese translation of Cycle Analytics Page to I18N

See merge request !11644

Allow users to be hard-deleted from the admin panel

Closes #28694

See merge request !11874

Backport EE refactorings for Protected Tag EE-only functionality

See merge request !11125

Merge branch '32869-project-s-last-updated-time-not-accurately-reflected-in-projects-dashboard' into 'master'

Use last_activity_at attr when showing the update date in project listing

Closes #32869

See merge request !11896

Fix submodule link to then project under subgroup

Closes gitlab-ee#2411

See merge request !11906

So that we could use it for the schedule before
trying to use CreatePipelineService

Resolve "Permissions for project labels and group labels"

Closes #33154

See merge request !11876

cannot create the tag if it's a tag, and
cannot merge the branch if it's a branch.

Merge branch '31983-increase-merge-request-diff-file-size-limit-for-default-toggle-opening' into 'master'

Increase diff limits to 100 KB for collapse and 200 KB overall

Closes #31983

See merge request !11875

Because it is sometimes never used.