Resolve "Iterations dropdown component is not consistent with gitlab/ui"

See merge request gitlab-org/gitlab!52987

- Make Iterations dropdown component to be consistent -
  with gitlab/ui.
- Do not fetch iterations list until user clicks edit.
- Replace out deprecatedFlash with createFlash
- Improve spec by using mock apollo client

Update Actionable Insight to remove formatting from markdown

See merge request gitlab-org/gitlab!53439

Update ESLint and related (major)

See merge request gitlab-org/gitlab!53367

Edited strings to be sentence case

See merge request gitlab-org/gitlab!53323

In Settings > Repository and CI/CD
Most of the section titles are sentence case
But not all. This changes them all to
sentence case.

Update doc links in usage quotas

See merge request gitlab-org/gitlab!53279

Update design patterns doc and discourage Singleton

See merge request gitlab-org/gitlab!49046

Singletons have been the source of many ills.

Support setting customizable timeouts for git CLI 2FA via UI & API

See merge request gitlab-org/gitlab!52769

This change allows setting
`git_two_factor_session_expiry` via UI/API

[RUN AS-IF-FOSS] Remove merge_request_reviewers feature flag [RUN ALL RSPEC]

See merge request gitlab-org/gitlab!52468

Add workhorse CI jobs

See merge request gitlab-org/gitlab!53355

Support multi-line strings when running pipeline with variables

See merge request gitlab-org/gitlab!53292

Use textarea to support multiple
lines over using an input.

Add Jira proxy settings columns

See merge request gitlab-org/gitlab!52119

designs: return error if uploading filenames with special chars

See merge request gitlab-org/gitlab!44136

This fixes a ActiveRecord::RecordNotUnique error when uploading
designs which end up with the same filename after sanitization.

https://gitlab.com/gitlab-org/gitlab/-/issues/219113

Introduce report type in pipeline artifact

See merge request gitlab-org/gitlab!53273

This commit refactors our pipeline artifacts by renaming methods
for a better abstraction.

Change pipeline empty state language

See merge request gitlab-org/gitlab!53281

Fix Style/FrozenStringLiteralComment violations in Rake tasks

See merge request gitlab-org/gitlab!53268

Auto-corrected with Rubocop

Use a dedicated project token for the 'review-cleanup' job

See merge request gitlab-org/gitlab!53352

Fix Merge Request analytics query optimization

See merge request gitlab-org/gitlab!53203

Merge branch '300701-changing-issues-confidentiality-errors-are-not-taken-into-account-on-frontend' into 'master'

Show graphql error on confidential mutation

See merge request gitlab-org/gitlab!53106

Apply new GitLab UI for input field in user personal access token settings

See merge request gitlab-org/gitlab!52426

Signed-off-by: Rémy Coutable <remy@rymai.me>

Add maven duplicates settings to package group settings

See merge request gitlab-org/gitlab!52472

- group settings app
- update optimist response signature

[ci skip]

[ci skip]

Remove btn-build class

See merge request gitlab-org/gitlab!53155

General code improvements

See merge request gitlab-org/gitlab!53316

Support Resrouce Group in Cross-Project/Parent-Child pipelines

See merge request gitlab-org/gitlab!53007