Add danger check for duplicate yarn dependencies

Closes #51226

See merge request gitlab-org/gitlab-ce!21591

Remove deprecated ActionDispatch::ParamsParser

See merge request gitlab-org/gitlab-ee!8897

Fix deprecation: Directly inheriting from ActiveRecord::Migration is deprecated.

See merge request gitlab-org/gitlab-ce!23884

Fix deprecation: alias_method_chain is deprecated. Please, use Module#prepend instead

See merge request gitlab-org/gitlab-ce!23887

Run CommonSystemNotesService on issuable create

Closes #51485

See merge request gitlab-org/gitlab-ce!23859

EE port of 51485-new-issue-labels-note

See merge request gitlab-org/gitlab-ee!8873

Compile assets needed by QA tests

Closes #55036

See merge request gitlab-org/gitlab-ce!23752

Geo: Keep the minimum cursor last event

See merge request gitlab-org/gitlab-ee!8832

Remove FF for group security dashboard history

See merge request gitlab-org/gitlab-ee!8853

Change deprecated `except!` usages

Closes #54094

See merge request gitlab-org/gitlab-ce!23844

Suggest diff line change documentation

See merge request gitlab-org/gitlab-ce!23474

[EE] Suggest diff line change documentation

See merge request gitlab-org/gitlab-ee!8898

Update specs to exclude possible false positive pass

Closes #55403

See merge request gitlab-org/gitlab-ce!23893

Merge branch '8814-reorder-gitlab-elastic-index-rake-tasks-to-ensure-wikis-and-database-are-completed-even-if-projects-error-out-2' into 'master'

Resolve "Reorder gitlab:elastic:index rake tasks to ensure wikis and database are completed even if projects error out"

Closes #8814

See merge request gitlab-org/gitlab-ee!8852

Fix object storage not working properly with Google S3 compatibility

Closes #53846

See merge request gitlab-org/gitlab-ce!23858

Hide confidential events in ruby

Closes #51791

See merge request gitlab-org/gitlab-ce!23746

Fixed action name in JobsController

See merge request gitlab-org/gitlab-ce!23888

Issue Suggestions E2E Tests

See merge request gitlab-org/gitlab-ce!23417

Fix typo for after_script in README.md

See merge request gitlab-org/gitlab-ce!23890

docs: link to improved Uploads Migrate Rake Task

See merge request gitlab-org/gitlab-ce!23828

Add docs for frontmatter delimiters

See merge request gitlab-org/gitlab-ce!23876

Add unavailable features section to group-level cluster page.

See merge request gitlab-org/gitlab-ce!23896

Adds system notes for labels, milestone and due date on create