Upgrade Sidekiq to 4.2.10

See merge request !10899

Add sub-nav for Project Integration Services edit page

Closes #31174

See merge request !10813

Fix OAuth, LDAP and SAML SSO when regular sign-ups are disabled

Closes #31294

See merge request !10896

Add index to webhooks type column

Closes #31232

See merge request !10883

Ignore all builds* directories from version control

See merge request !10903

Fix diffs with edit-forking needs

Closes #31276

See merge request !10868

Fix usage ping docs link from empty cohorts page

See merge request !10907

Update markdown.md

See merge request !10776

Show group name on flash container when group is created from Admin area

Closes #21683

See merge request !10905

Don't display the `is_admin?` flag for user API responses

Closes #29903

See merge request !10846

Fix typo in discussions doc.

See merge request !10889

The restore process copies the old builds/ dir into builds.<epoch>/
which results in Git complaining about untracked files

- To prevent an attacker from enumerating the `/users` API to get a list of all
  the admins.

- Display the `is_admin?` flag wherever we display the `private_token` - at the
  moment, there are two instances:

  - When an admin uses `sudo` to view the `/user` endpoint
  - When logging in using the `/session` endpoint

Add Health Check Documentation

Closes #30649

See merge request !10565

Gitaly testing toml

Closes gitaly#182

See merge request !10605

See https://github.com/mperham/sidekiq/blob/master/Changes.md#4210

Fix scoping issues with Spinach tests

See merge request !10895

Fix scoping issues with Spinach tests (e.g. https://gitlab.com/gitlab-org/gitlab-ce/builds/14929499)

Remove names from docs and add vue experts instead

See merge request !10817

Use jQuery niceness on blob_fork_suggestion

See merge request !10858

Add aria to icon

See merge request !10670

Ensure replying to an individual note by email creates a note with its own discussion ID

Closes #31067

See merge request !10890

Add normal wrapping to task lists

Closes #31269

See merge request !10860

Moved NotebookLab assets into repo

See merge request !10630

Eliminate N+1 queries in loading namespaces for every issuable in milestones

See merge request !10871

Fix commenting on an existing discussion on an unchanged line that is no longer in the diff

Closes #31339

See merge request !10888

Fixes the spacing around diff discussion buttons

Closes #31102

See merge request !10879