Add minimal partial clone docs

Closes gitaly#1581

See merge request gitlab-org/gitlab-ce!30295

Partial Clone and Sparse Checkout are the native Git approach to enormous
repositories. We should document the state of these features and update as our
support and Git's support for these features improves.

Fix docs review-app stages in the pipeline

See merge request gitlab-org/gitlab-ce!31464

Optimize  relative re-positioning

See merge request gitlab-org/gitlab-ce!30938

Resolve "Kubernetes > Applications > Uninstall Cert Manager"

See merge request gitlab-org/gitlab-ce!31166

Enhance style of the shared runners limit

See merge request gitlab-org/gitlab-ce!31386

It also prepare for the EE merge request https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/14786

(CE Port) Upgrade gitlab-ui to 5.12.1

See merge request gitlab-org/gitlab-ce!31466

Update dependency @gitlab/ui to v5.12.1

See merge request gitlab-org/gitlab-ce!31461

Also removes unnecessary methods causing extra queries

Moving of neighbour items was done recursively - this
was extremely expensive when multiple items had to be moved.

This change optimizes the code to find nearest possible gap where
items can be moved and moves all of them with single update query.

Extend PipelineProcessWorker to accept a list of builds

See merge request gitlab-org/gitlab-ce!31425

Fix display of performance bar shortcut help text

See merge request gitlab-org/gitlab-ce!31403

Add support for deferred links in persistent user callouts.

Closes #64341

See merge request gitlab-org/gitlab-ce!30818

Persistent user callouts now support deferred links, which are links
that can be used to dismiss the callout, and then proceed to follow
the link's original location.

This ensures that the callout dismissal is properly recorded
before the user leaves the page.

Add outbound setting for system hooks

See merge request gitlab-org/gitlab-ce!31177

Again run quarantine specs if tag provided

See merge request gitlab-org/gitlab-ce!31414

CE Backport for gitlab-ee!14741 (Fix design management router)

See merge request gitlab-org/gitlab-ce!31090

Properly process all needs

Closes #65488

See merge request gitlab-org/gitlab-ce!31415

Increase clair scanner from v11 to v12

See merge request gitlab-org/gitlab-ce!30809

Group `parent not preloaded` errors in sentry

See merge request gitlab-org/gitlab-ce!31424

- Update yarn.lock

Backport: Removed pendo poc code

See merge request gitlab-org/gitlab-ce!31307

Geo: Some update instructions should be for 9.0.x only

See merge request gitlab-org/gitlab-ce!31345

Add pmd-apex sast analyzer to sast docs

See merge request gitlab-org/gitlab-ce!31024

Includes documentation for new Apex (Salesforce) analyzer

Revert "Merge branch 'backport-fix-remaining-prepend-lines' into 'master'"

Closes #65607

See merge request gitlab-org/gitlab-ce!31456

This spec needs to run as a request-style spec in order to invoke the
Rails router.

A controller-style spec matches the wrong route, and
`session['user_return_to']` becomes incorrect.

https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/14741

Resolve flaky spec in user_edits_snippet_spec.rb

Closes #65603

See merge request gitlab-org/gitlab-ce!31453

This reverts merge request !31379

Set DOCKER_TLS_CERTDIR in CI job templates

See merge request gitlab-org/gitlab-ce!31201

Migrate Git tricks doc from /debug to docs and make some edits

See merge request gitlab-org/gitlab-ce!27922

Change code references to codeblocks so they can be copied
more easily, and add link to doc from git topic index. Also
applies suggested changes.