Refactor downstream pipelines UX

See merge request gitlab-org/gitlab!40650

Change styling, add naviagation
to child pipelines, change expand
button. Add test coverage.

Update Gitaly version

See merge request gitlab-org/gitlab!40987

Update IE11 deprecation message

See merge request gitlab-org/gitlab!40952

Remove unused merge request policies on project

See merge request gitlab-org/gitlab!40487

Add CI predefined environment variable CI_COMMIT_TIMESTAMP

Closes #34281

See merge request gitlab-org/gitlab!40388

Introduce InstanceStatistics::Measurement model

See merge request gitlab-org/gitlab!40605

This change introduces InstanceStatistics::Measurement model. Note
that this change is not user facing.

Clear up confusion about CI variable security

Closes #19063

See merge request gitlab-org/gitlab!40773

Replace md classes with gitlab-ui alternatives

Closes #240913

See merge request gitlab-org/gitlab!40284

Remove `autoExpandCollapsedDiffs` feature flag

See merge request gitlab-org/gitlab!40960

Fix ActiveRecord::IrreversibleOrderError during restore from backup

See merge request gitlab-org/gitlab!40789

docs: Add notes for bulk editing feature

See merge request gitlab-org/gitlab!40965

Recent work on regulating project-level merge request approvals settings
using compliance label has removed the need to utilize instance-level
settings in controlling the modification permission.

Some internal conditions in the project policies are also consolidated.

DRY mock data cleanup

Closes #230565

See merge request gitlab-org/gitlab!40775

Update group_name regular expression to match matrix builds

See merge request gitlab-org/gitlab!40725

Improve Rake-based bare repo import docs

See merge request gitlab-org/gitlab!40829

Docs: fix list indentation

See merge request gitlab-org/gitlab!40957

Upgrade pages to v1.23.0

Closes gitlab-pages#452

See merge request gitlab-org/gitlab!40915

Update Workhorse to v8.44.0

See merge request gitlab-org/gitlab!40970

Feat(queryToObject): add option to handle arrays

See merge request gitlab-org/gitlab!40855

Add option to not overwrite values, but instead
gather them into an array, so we can handle
queries with array values

Tidy up Monitor shared context

Closes #241546

See merge request gitlab-org/gitlab!40807

Actionable insights: fixed typo and added the "label" quick action

See merge request gitlab-org/gitlab!40745

Fix Web IDE fork e2e test

Closes #243677

See merge request gitlab-org/gitlab!40924

Update Gitaly version

See merge request gitlab-org/gitlab!40959

Create table for persisting epic swimlane collapsed status

Closes #240947

See merge request gitlab-org/gitlab!40360

For now we will store status whether user has the epic
swimlane collapsed or not.

Remove expired pipeline artifacts

See merge request gitlab-org/gitlab!39882

This MR introduces a new service which will be used
to remove expired pipeline artifacts.