Add client side connection-pool documentation

See merge request gitlab-org/gitlab!42861

This explains how we manage the client side connection-pool size, and
what can be done to mitigate an incident if we were to notice it's
incorrectly sized.

Update the Gitaly section to be the same on all pages

See merge request gitlab-org/gitlab!44474

For consistency's sake, it would be good for the reference architecture
pages to reflect the same information.

Add ability to sort vulnerabilities by state

See merge request gitlab-org/gitlab!42973

This change adds ability to sort vulnerabilities by state in
GraphQL.

Introduce required_code_owners_sections table

See merge request gitlab-org/gitlab!43573

Move Feature Flag Api and Controllers to Core RUN AS-IF-FOSS

See merge request gitlab-org/gitlab!44093

Part of moving feature flags to core

Restore snippets from backups

See merge request gitlab-org/gitlab!43696

In this commit, we add the logic to restore snippet
repositories from GitLab backups.

Move Feature Flag Issues Route to EE RUN AS-IF-FOSS

See merge request gitlab-org/gitlab!43895

Fix Ruby 2.7 warnings for Cloud Platform

See merge request gitlab-org/gitlab!44456

Merge branch '262482-move-handlers-outside-of-domcontentloaded-app-assets-javascripts-pages-projects-packages' into 'master'

Handlers outside of DOMContentLoaded: /packages/index

See merge request gitlab-org/gitlab!44470

Set ownership on CI feature flags

See merge request gitlab-org/gitlab!44571

Adding syntax highlighting for terraform / hcl

See merge request gitlab-org/gitlab!44056

Fix Ruby 2.7 warnings in app/services

See merge request gitlab-org/gitlab!44480

Fixed command plural

See merge request gitlab-org/gitlab!44560

It's required to implement section based approval rules

Update modal to show fuzzing data

See merge request gitlab-org/gitlab!43983

* Add additional fields

Revert Migrate Bootstrap button to GlButton in MR discussion

See merge request gitlab-org/gitlab!44567

Remove type column from audit_events table

See merge request gitlab-org/gitlab!43703

Add new options in Scanner Profile Form

See merge request gitlab-org/gitlab!43660

This would allow users to choose scan type,
and option to enable ajax spider and debug
messages for On-demand Scan Profiles

Expose if requirement test report was manually created on GraphQL

See merge request gitlab-org/gitlab!44345

Move before_script into script for CQ template

Closes #249361

See merge request gitlab-org/gitlab!42782

overriding by template users.
Fix #249361

Fixes 2.7 keyword warning in spec

See merge request gitlab-org/gitlab!44565

Merge branch '262051-design-thumbnail-image-is-not-updated-after-uploading-an-image-with-the-same-filename' into 'master'

Update Design thumbnail after uploading an image with the same filename

See merge request gitlab-org/gitlab!44305

Move pipelines table css to a page bundle

See merge request gitlab-org/gitlab!43957

In this change we wrap the CSS of the pipeline table that only appears
in 4 pages, inside a `[data-page]` selector to scope where it is used.

Additionally some unused/abandoned styles are removed.

Return specfic error message on epic assignment

See merge request gitlab-org/gitlab!44296

Fix problem with sorting in GraphQL by case expression

See merge request gitlab-org/gitlab!44132

Use conan recipe as name in package presenter

See merge request gitlab-org/gitlab!44294

Returns conan recipe as the package name attribute
Removes unneeded frontend helper that composed the
recipe.