Update gitlab runner helm chart to 0.1.39

Closes gitlab-runner#3807

See merge request gitlab-org/gitlab-ce!23633

Fix broken seeder 11.6

Closes #54949

See merge request gitlab-org/gitlab-ce!23608

Truncate merge request titles with periods instead of ellipsis

Closes #54862

See merge request gitlab-org/gitlab-ce!23558

Add section about enabling feature flag in development

See merge request gitlab-org/gitlab-ce!23634

Pass commit when posting diff discussions

See merge request gitlab-org/gitlab-ce!23371

Dropdown: Make Identicons of a subgroup in the breadcrumb dropdown not take a whole line

Closes #51138 and #54026

See merge request gitlab-org/gitlab-ce!23062

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/54862

Remove un-used data from discussions endpoint

Closes #54288

See merge request gitlab-org/gitlab-ce!23570

Documentation for Group-level Kubernetes cluster configuration

See merge request gitlab-org/gitlab-ce!22804

Revert "Merge branch 'fix/gb/encrypt-ci-build-token' into 'master'"

See merge request gitlab-org/gitlab-ce!23644

We don't need a series of attributes to render diff files on
discussions.json request. Therefore this MR removes lots of unnecessary
attributes from the request, mainly the highlighted diff lines, which
are pretty expensive.

This reverts commit 1e8f1de0, reversing
changes made to 62d97112.

Group level labels can be used in subgroups and projects

See merge request gitlab-org/gitlab-ce!23643

Docs: fixes blockquotes syntax

See merge request gitlab-org/gitlab-ce!23638

Move default brand title to a method

See merge request gitlab-org/gitlab-ce!23632

Upgrade gitlab-ui dependency

See merge request gitlab-org/gitlab-ce!23611

Disable Sidekiq feature flag check if features table does not exist

Closes #54718

See merge request gitlab-org/gitlab-ce!23639

Security update of gem rails to version 4.2.11

See merge request gitlab-org/gitlab-ce!23520

Change dropdown divider color to gray-200 (#dfdfdf)

See merge request gitlab-org/gitlab-ce!23592

Add feature flag for workhorse content type calculation

See merge request gitlab-org/gitlab-ce!22667

Allow internal references to be removed

Closes #19376

See merge request gitlab-org/gitlab-ce!23189

[CE] Revert Gold Trial MRs

See merge request gitlab-org/gitlab-ce!23619

The GitLab Development Kit initialization failed because the Sidekiq
initializer was attempting to look up a feature flag when the `features`
table hadn't been created yet.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/54718

Fix gitlab:web_hook tasks

Closes #54975

See merge request gitlab-org/gitlab-ce!23635

[master]: Prevent a path traversal attack on global file templates

Closes #2745

See merge request gitlab/gitlabhq!2677

Introduce Knative Serverless Tab

See merge request gitlab-org/gitlab-ce!23617

Retry the review-{deploy,qa} jobs twice, and allow them to fail

Closes #54610 and #54717

See merge request gitlab-org/gitlab-ce!23510

Fixed renamed and mode changed diff viewers not rendering on merge requests

Closes #52607

See merge request gitlab-org/gitlab-ce!23600