Add missing regionendpoint documentation.

Closes #57718

See merge request gitlab-org/gitlab-ce!25297

Backport docs update for multiple assignees for MRs

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

This backports API and quick action docs.

Update docs regarding multiple assignees for MRs

Closes #10889

See merge request gitlab-org/gitlab-ee!10661

Add guide to custom global hooks

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

Add guide to custom global hooks

See merge request gitlab-org/gitlab-ee!11907

Fix docs and qa branch CI

See merge request gitlab-org/gitlab-ee!11993

Allow multiple secondary nodes behind a load balancer

See merge request gitlab-org/gitlab-ee!10755

Fix broken locale/gitlab.pot

Closes #11406

See merge request gitlab-org/gitlab-ee!11990

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

i18n of protected_tags directory - EE

See merge request gitlab-org/gitlab-ee!11851

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

This commit only targets Vanilla JS files.

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

Add "Vulnerabilities API"

See merge request gitlab-org/gitlab-ee!11539

Adds API endpoint for returning all vulnerabilities for a given project

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

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

So that secondaries can use the same URL.

Previously, many tests depended on the coupling between the
GeoNode factory and the config. With that decoupled, these
tests have GeoNodes in the database but *this* machine is
not associated with any GeoNode record.

Also, the port sequence did not seem to have any effect.

Not from `geo_nodes.url`.

Instead of URL. This frees up URL so it doesn’t have to match the
gitlab.rb external_url, which frees up external_url so it doesn’t have
to be unique.

So Geo nodes can compare their configured name with this field
in order to find which record they belong to.