Merge branch '239008-ensure-master-review-apps-are-unique-and-stop-them-at-the-end-of-the-pipeline' into 'master'

Ensure `master` Review Apps are unique and stop them at the end of the pipeline

Closes #239008

See merge request gitlab-org/gitlab!40521

Refactor YamlProcessor to always return a result object

See merge request gitlab-org/gitlab!40013

Simplifies UX of YamlProcessor to be better used for CI Lint.
Returns an object that can present the evaluated configuration,
any possible errors and warnings.

Docs: add note that `if` clauses won't accept bash

See merge request gitlab-org/gitlab!38209

Fix Feature Flag Controller Spec Sorting on Name

See merge request gitlab-org/gitlab!40908

Merge branch '232820-display-a-visible-warning-when-at-least-one-file-is-collapsed-in-a-mr-diff' into 'master'

Extract Merge Request Conflicts warning to component

See merge request gitlab-org/gitlab!40636

Fixes visibility param in ProjectSnippet REST API

See merge request gitlab-org/gitlab!40966

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

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

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

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

This renames a param requirement in the ProjectSnippet
REST API update endpoint which was incorrectly
set to visibility_level