[QA] Improve the fork scenario to take a username and password instead of always creating a new user

Fixes https://gitlab.com/gitlab-org/quality/staging/issues/2.
Signed-off-by: Rémy Coutable <remy@rymai.me>

format doc/ reference

See merge request gitlab-org/gitlab-ce!21149

fix hashed storage readiness link

See merge request gitlab-org/gitlab-ce!21150

Fix typo

See merge request gitlab-org/gitlab-ce!21293

Remove more variable reassignments and unused styles

See merge request gitlab-org/gitlab-ce!21262

Add documentation about reading query plans

See merge request gitlab-org/gitlab-ce!21199

Blacklist the use of destroy_all

See merge request gitlab-org/gitlab-ce!21250

GitHub importer: Keep track of internal_ids

Closes #49754

See merge request gitlab-org/gitlab-ce!20926

replace nobootwait with nofail

See merge request gitlab-org/gitlab-ce!21269

Bump Gitaly to 0.117.1 for Rouge update

See merge request gitlab-org/gitlab-ce!21277

This adds a database guide on how to read the output of "EXPLAIN" and
"EXPLAIN ANALYZE", and how to use this output to understand a query's
performance and optimise it.

Fix SiteStatistics wikis_count

See merge request gitlab-org/gitlab-ce!21030

Mention how to override CE class methods

See merge request gitlab-org/gitlab-ce!21276

Creates vue components for stage dropdowns and job list container for job log view

See merge request gitlab-org/gitlab-ce!21255

Resolve "Project deletion may not log audit events during user deletion"

Closes #49796

See merge request gitlab-org/gitlab-ce!21248

Remove some duplicate tests and fix some typos

See merge request gitlab-org/gitlab-ce!21246

See https://gitlab.com/gitlab-org/gitlab-ce/issues/49446.

Remove feature flags for UserUpdateBranch

Closes gitaly#1246 and gitaly#1310

See merge request gitlab-org/gitlab-ce!21238

Fixed Web IDE live preview crashing when loading from merge request

Closes #50392

See merge request gitlab-org/gitlab-ce!21252

Fix mirror settings anchor

See merge request gitlab-org/gitlab-ce!21261

Creates Vue component for commit block in job log view

See merge request gitlab-org/gitlab-ce!21249

Creates Vue component for trigger variables block in job log page

See merge request gitlab-org/gitlab-ce!21244

missed in https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/16985

Docs: update Pages IP address change + other DNS updates

See merge request gitlab-org/gitlab-ce!21259

doc: ci/yaml expire_in: the value is in seconds

See merge request gitlab-org/gitlab-ce!20983

Rails5: Enable verbose query logs

See merge request gitlab-org/gitlab-ce!21231

Add note about Noto Color Emoji font support by default

See merge request gitlab-org/gitlab-ce!21251

Update Rouge to 3.2.1. Includes a critical fix for the Perl Lexer

See merge request gitlab-org/gitlab-ce!21263

Fix 1px cutoff of emojis

Closes #47913

See merge request gitlab-org/gitlab-ce!21180

In modern Linux distros.

Source: https://www.omgubuntu.co.uk/2018/06/use-emoji-linux-ubuntu-apps