Now the instance variable assignment is all contained within
`#initialize`, and the `children.push` behavior is more explicit.

Most of the logic is now self-contained within the `HeaderNode` class.

Fix division by zero for blame age map

Closes #35441

See merge request !13803

Fix problems sanitizing URLs with empty passwords

Closes gitlab-ee#3352

See merge request !14083

Add API endpoint for downloading a single job artifact

Closes #37196

See merge request !14027

Put Admin loggers in before_action for easier overriding in EE

See merge request !14081

API fix for non UTF-8 data

Closes #35942

See merge request !14038

Add TFS migration docs

See merge request !13934

Add collapsable sections for Pipeline Settings

Closes #37275

See merge request !13951

Profile updates from providers

See merge request !12968

# Conflicts:
#   doc/user/project/import/index.md

Improvements to breadcrumbs

Closes #35269 and #36460

See merge request !13582

Add CVS migration guide

See merge request !13928

Port of ee translations

See merge request !14076

Internal API changes to decouple redis from Shell

Closes gitaly#520

See merge request !13971

Make it easier to override the set of loggers, by putting them in a
separate method.

Also modify spec so it tests for links, instead of checking for
regular text.

remove some lint

Clean up projects API docs

See merge request !14071

Merge commit 'd1b60cbc' into feature/gb/download-single-job-artifact-using-api

* commit 'd1b60cbc': (210 commits)

Wait for gitaly to boot during tests

See merge request !14051

Merge branch 'AshleyDumaine/gitlab-ce-36994-toggle-for-automatically-collapsing-outdated-diff-comments' into 'master'

Add setting to collapse outdated diff comments on push

Closes #36994

See merge request !14053