Add notes on authentication to PG HA document

Closes omnibus-gitlab#2735

See merge request gitlab-org/gitlab-ee!2851

Do not clone the repo when running the review-docs jobs

See merge request gitlab-org/gitlab-ee!3000

Resolve "Error 500 due to promote group Web hooks"

Closes #3498

See merge request gitlab-org/gitlab-ee!2972

UX guide update w/ new icon set

See merge request gitlab-org/gitlab-ee!2990

Adds gitlab features and components to usage ping data.

See merge request gitlab-org/gitlab-ee!2956

Fix delta size check to handle commit or nil objects

Closes #3446

See merge request gitlab-org/gitlab-ee!2976

[ci skip]

[ci skip]

Update database.md Geo docs to clarify Postgres needs to be manually restarted

See merge request gitlab-org/gitlab-ee!2992

Previously, we checked out the branch and ran the script from there.
However, when the MR got merged and the cleanup job was run it would
fail since it could not find the now deleted branch.

This commit rather downloads the script from GitLab and skips
downloading the artifacts/dependencies/cache to speed up the process.

Upgrade Nokogiri because of CVE-2017-9050

See merge request gitlab-org/gitlab-ee!2996

EE-Port "Better SVG Usage in the Frontend"

See merge request gitlab-org/gitlab-ee!2973

Upgrade Nokogiri because of CVE-2017-9050

See merge request gitlab-org/gitlab-ce!14427

Docs: fix link

[ci skip]

See merge request gitlab-org/gitlab-ee!2995

Closes #3446

Remove duplicate group boards doc

See merge request gitlab-org/gitlab-ee!2991

Update references to parseSeconds and stringifyTime in geo_nodes.

See merge request gitlab-org/gitlab-ee!2963

The feature is already documented in https://docs.gitlab.com/ee/user/project/issue_board.html#group-level-issue-boards

Resolve "[Meta] Create Uniquely 'GitLab' Icons"

Closes #32894

See merge request gitlab-org/gitlab-ce!14396

Auto DevOps docs cleanup

See merge request gitlab-org/gitlab-ee!2989

Document that group Owners can always create subgroups

See merge request gitlab-org/gitlab-ee!2988

Issue: https://gitlab.com/gitlab-org/gitlab-ce/issues/30473
MR: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/14046

Resolve "Geo: Disable updates to Key#last_used_at"

Closes #3505

See merge request gitlab-org/gitlab-ee!2983

CE upstream: Thursday

Closes gitaly#597, gitlab-ce#36663, gitlab-ce#38129 et gitlab-ce#38061

See merge request gitlab-org/gitlab-ee!2981

fix the approvals_before_merge project fallback

Closes #3142

See merge request gitlab-org/gitlab-ee!2932