Simplify specs for Project#disabled_services

See merge request gitlab-org/gitlab-ee!16326

Add index on group_id column concurrently

See merge request gitlab-org/gitlab-ce!32826

This fixes previously added migration which caused timeouts on
big events table.

Add EE label to repository_storage

See merge request gitlab-org/gitlab-ce!31933

Start linting for unneeded dollar signs

See merge request gitlab-org/gitlab-ce!32803

Do not use dollar signs in shell codeblocks when
no output is shown

[CE] Add event presenter

See merge request gitlab-org/gitlab-ce!32750

This presenter will be used in an upcoming MR which adds
rendering of epic events on group activity page.

[EE] Add event presenter

See merge request gitlab-org/gitlab-ee!16225

This presenter will be used in an upcoming MR which adds
rendering of epic events on group activity page.

Move SAST reports logic for the Merge Request widget to the backend - frontend part

Closes #13647

See merge request gitlab-org/gitlab-ee!15804

- Copies over all the changes from the similar MRs for DAST, dependency
  and container scanning.
- Everything is behind an inactive feature flag.

See https://gitlab.com/gitlab-org/gitlab-ee/issues/12002 for more
information.

Refactor the Dependency Scanning docs

See merge request gitlab-org/gitlab-ce!32582

Notably:

- Merge the use cases with the opening paragraph of DS
- Add link to the auto-remediation section in the main index page
- Add auto remediation to the title of solutions for better SEO
- Move the JSON reports section below the other more important sections
- Remove Container Scanning from the list of supported scanners in
  solutions
- Fix some "introduced in" sentences so that they can be properly parsed

Fix broken link to the handbook

See merge request gitlab-org/gitlab-ce!32849

Only CODEOWNERS on default branch affect MR approvals

See merge request gitlab-org/gitlab-ce!32841

Add user creation documentation

Closes gitlab-com/support/support-team-meta#1681

See merge request gitlab-org/gitlab-ce!32411

Avoid calling freeze on already frozen strings in lib

See merge request gitlab-org/gitlab-ce!32788

Avoid calling freeze on already frozen strings in lib

See merge request gitlab-org/gitlab-ee!16281

Docs: Add when to use Jest section in frontend_testing

See merge request gitlab-org/gitlab-ce!32760

Edits to Lists section of Documentation Style Guide

See merge request gitlab-org/gitlab-ce!32782

This references an issue that is closed

See merge request gitlab-org/gitlab-ce!29274

Provide urls for Merge Requests and Issue links

See merge request gitlab-org/gitlab-ce!32401

Cosmetic fix in doc/user/markdown.md where the word 'itself' is repeated.

See merge request gitlab-org/gitlab-ce!32818