Backport docs update for multiple assignees for MRs

See merge request gitlab-org/gitlab-ce!27221

This backports API and quick action docs.

Add guide to custom global hooks

See merge request gitlab-org/gitlab-ce!27847

Internationalisation of integrations directory

See merge request gitlab-org/gitlab-ce!27682

This is one of many MRs opened in order to improve the overall
internationalisation of the GitLab codebase.

i18n documentation
https://docs.gitlab.com/ee/development/i18n/externalization.html

Internationalisation of protected_tags directory

See merge request gitlab-org/gitlab-ce!27739

This is one of many MRs opened in order to improve the overall
internationalisation of the GitLab codebase.

i18n documentation
https://docs.gitlab.com/ee/development/i18n/externalization.html

Group project templates should be a Silver/Premium feature - CE backport

See merge request gitlab-org/gitlab-ce!27407

style: fix typo

See merge request gitlab-org/gitlab-ce!27918

Internationalisation of u2f directory

See merge request gitlab-org/gitlab-ce!27749

This is one of many MRs opened in order to improve the overall
internationalisation of the GitLab codebase.

i18n documentation
https://docs.gitlab.com/ee/development/i18n/externalization.html

feat: add option to define the Sentry Environment

See merge request gitlab-org/gitlab-ce!27091

Resolve "Referencing issues or epics by URL fails with 404"

Closes #61099 and #60965

See merge request gitlab-org/gitlab-ce!27827

Add client methods for FetchIntoObjectPool RPC

See merge request gitlab-org/gitlab-ce!27767

MVC improvements to basics landing page

See merge request gitlab-org/gitlab-ce!27865

Added content on the Admin Area's `Projects` page

See merge request gitlab-org/gitlab-ce!27447

Part of issue 57874

Clarify that `project_url` is used

See merge request gitlab-org/gitlab-ce!27163

Move EE differences for `app/views/projects/issues/_issue.html.haml`

See merge request gitlab-org/gitlab-ce!27804

Internationalisation of projects directory

See merge request gitlab-org/gitlab-ce!27733

This is one of many MRs opened in order to improve the overall
internationalisation of the GitLab codebase.

i18n documentation
https://docs.gitlab.com/ee/development/i18n/externalization.html

Upgrade Mermaid to 8.0.0

See merge request gitlab-org/gitlab-ce!27706

refactor(sidebar): Refactored shared sidebar component tests to Jest

Closes #58830

See merge request gitlab-org/gitlab-ce!27688

Internationalisation of ide directory

See merge request gitlab-org/gitlab-ce!27680

Internationalisation of blob directory

See merge request gitlab-org/gitlab-ce!27670

This is one of many MRs opened in order to improve the overall
internationalisation of the GitLab codebase.

i18n documentation
https://docs.gitlab.com/ee/development/i18n/externalization.html

[ci skip]

[ci skip]

Gitaly's FetchIntoObjectPool RPC will idempotently fetch objects into an
object pool. If the pool doesn't exist, it will create an empty pool
before attempting the fetch. This change adds client code as well as
specs to cover this behavior.

`on_stop` is not automatically triggered with pipelines for merge requests

Closes #60885

See merge request gitlab-org/gitlab-ce!27618

Add basic GraphQL for a Group

Closes #60786

See merge request gitlab-org/gitlab-ce!27492

Due to the nature of pipelines for merge requests, deployments.ref can
be a merge request ref instead of a branch name.

We support the environment auto-stop hook for this case

Fix reviewer roulette when no-one is in a category

See merge request gitlab-org/gitlab-ce!27895

Use correct k8s namespace in Prometheus queries

See merge request gitlab-org/gitlab-ce!27812