Vendor gitlab-workhorse into the main repository

See merge request gitlab-org/gitlab!48690

[RUN AS-IF-FOSS]  Fix some keyword warnings in specs

See merge request gitlab-org/gitlab!48640

Enable pages_serve_from_deployments FF by default

See merge request gitlab-org/gitlab!48974

Fix deprecation warning about Content-Type header in Rails 6.1

See merge request gitlab-org/gitlab!47965

Cleanup confidential epic todos

See merge request gitlab-org/security/gitlab!1066

Signed-off-by: Balasankar "Balu" C <balasankarc@autistici.org>

Expose normalizedTargetUrl on DastSiteProfile

See merge request gitlab-org/gitlab!48727

Revert !48655 "Use test detection based on crystalball mapping in rspec jobs"

See merge request gitlab-org/gitlab!48990

Merge branch '254182-fix-notificationevent-namespace-issue-on-custom-notification-setting-popup' into 'master'

Fix NotificationEvent namespace issue on Notification Setting

See merge request gitlab-org/gitlab!48736

Also, adds missing i18n entries that needs to be translated.

This reverts commit fc1887ef.

This reverts commit ddfe65bb.

Update Gitaly version

See merge request gitlab-org/gitlab!48984

Introduce exclusive lease for pages deployments

See merge request gitlab-org/gitlab!48349

Use test detection based on crystalball mapping in rspec jobs

See merge request gitlab-org/gitlab!48655

Assures that todos targeting inaccessible epics are deleted
(either because user left the group or epic became confidential).

Also adds a background migration which checks accessibility for
all existing confidential epics.

Add explicit primary key definition to AuditEvent

See merge request gitlab-org/gitlab!48925

Resolve "Cannot remove namespace"

See merge request gitlab-org/gitlab!48973

Add zero state to "Jobs" page as an experiment

See merge request gitlab-org/gitlab!48686

Fix misalignment by updating searchbar to use Pajamas style

See merge request gitlab-org/gitlab!48430

Add deprecation note for icon helper to frontend guidelines

See merge request gitlab-org/gitlab!48869

Introduce keyset pagination for Branches API

See merge request gitlab-org/gitlab!48978

Make RepositoryUpdateRemoteMirrorWorker idempotent

See merge request gitlab-org/gitlab!48799

Currently we log only class name, key usually contains class name
and some IDs which could help identify the problem

We don't need this lease right now, but we'll need it
to make sure that legacy storage isn't being touched
while we'll be migrating it to the zip storage

Resolve "Removing remaining references to .fa-spinner"

See merge request gitlab-org/gitlab!48928

Merge branch '276417-replace-fa-exclamation-triangle-icons-with-gitlab-svg-warning-solid-icon' into 'master'

Replace fa-exclamation-triangle icons with GitLab SVG warning-solid icon

See merge request gitlab-org/gitlab!47089

In HAML

Add end-to-end test for "Prevent forking outside of the group"

See merge request gitlab-org/gitlab!48677