Adds checks for the pipeline app elements

Closes #235420

See merge request gitlab-org/gitlab!39208

Expose severity from GraphQL Issue Query

Closes #238568

See merge request gitlab-org/gitlab!40945

Issuable returns incident severity

Prevent MRs to be dropped from Merge Trains for open discussions

See merge request gitlab-org/gitlab!39957

After adding an MR to Merge Train, new discussions and comments will not drop the MR from the train.

Use parent strategy for associations in factories - Deployment spec

See merge request gitlab-org/gitlab!41346

Use parent strategy for associations in factories - Merge Request spec

See merge request gitlab-org/gitlab!41345

Docs: remove duplicated API docs section

See merge request gitlab-org/gitlab!41162

Add DevOps Score header in documentation

See merge request gitlab-org/gitlab!41609

Add ability to set reviewers on MRs

See merge request gitlab-org/gitlab!40488

It's added to prepare for dedicated reviewers section for MRs on EE

Reduce some user creation calls in notification_service_spec

See merge request gitlab-org/gitlab!41283

Create the gitlabhq_production DB manually

See merge request gitlab-org/gitlab!40567

Define dangling pipelines to be excluded from Project#ci_pipelines

See merge request gitlab-org/gitlab!40512

Optimise index on audit events for CSV export

See merge request gitlab-org/gitlab!41266

(bug) nginx fail to restart on gitlab main

See merge request gitlab-org/gitlab!41657

Add support for WebAuthn behind feature flag

See merge request gitlab-org/gitlab!26692

Step 1 of splitting up !20257

See #22506

Correctly preserve LFS objects in design or wiki repositories

See merge request gitlab-org/gitlab!41352

Resolve "Create AnalyzerConfiguration checkbox component Part 1"

See merge request gitlab-org/gitlab!41568

For SAST Configuration UI. Addresses
https://gitlab.com/gitlab-org/gitlab/-/issues/238600,
part of https://gitlab.com/groups/gitlab-org/-/epics/3635.

Make build trace chunks flush worker idempotent

See merge request gitlab-org/gitlab!41579

Resolve "[Follow - up] - Display security approval rules when creating a new project - Enable Feature flag and docs"

See merge request gitlab-org/gitlab!40250

Makes sure the elements that the pipeline vue apps mount to actually
exist before trying to mount to them

Remove css utilities now present in gitlab ui

See merge request gitlab-org/gitlab!41655

- adjust breakpoint name position
- fix usages

Add link to compare changes intoduced by a git submodule update

See merge request gitlab-org/gitlab!37740

Merge branch '233652-replace-bootstrap-alerts-in-ee-app-views-groups-push_rules-edit-html-haml' into 'master'

Resolve "Replace bootstrap alerts in ee/app/views/groups/push_rules/edit.html.haml"

Closes #233652

See merge request gitlab-org/gitlab!41069

* Add updated docs for security approvals
* Default enable feature flag

Move around docs and run docs linter

* Move license-check rules to license compliance page
* Cross link secuirty rule approvals to license-check
  secuirty approval rule
* Run and fix dox linter errors

Add API helper for tracking Redis HLL events

Closes #235954

See merge request gitlab-org/gitlab!39802

Add detected column with timestamp on security dashboards

See merge request gitlab-org/gitlab!41092

Fix typos of committed in project views

See merge request gitlab-org/gitlab!41038

Clean up SCSS code for todos

See merge request gitlab-org/gitlab!41243

Do not generate nginx conf on main server if pages are not 
on this server

See : https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/4890

Add sorting to GraphQL Vulnerabilities API

See merge request gitlab-org/gitlab!40856

This change adds sorting to Vulnerabilities GraphQL API to allow sorting
by severity.