Includes changes to use stub_licensed_features

Update the newly added documentation to be more precise and
fix the typos.

Add information about Project aliases into permissions doc.

Both API and feature will only be available for customers
with GitLab Premium license.

This fixes some warnings that Danger shows.

This endpoints are only accessible by an admin.

This uses the ProjectAlias model. If an alias matches
the project_name specified, the associated project
will then be returned.

Add note about Docker socket mounting

See merge request gitlab-org/gitlab-ce!29924

Set 2 weeks as the expiration time for the current broadcast message

See merge request gitlab-org/gitlab-ee!14379

Geo - Use Gitlab::JsonCache only for the persistent cache on Gitlab::Geo

Closes #12374

See merge request gitlab-org/gitlab-ee!14378

Set 2 weeks as the expiration time for the current broadcast message

See merge request gitlab-org/gitlab-ce!30062

Parse the cached value when it is false on Gitlab::JsonCache#read

See merge request gitlab-org/gitlab-ce!30061

Fix Jupyter-Git integration

See merge request gitlab-org/gitlab-ce!30020

Add missing unit tests for BoardService

See merge request gitlab-org/gitlab-ce!29988

CE port of new user signup with/without reCAPTCHA A/B test (no-op)

See merge request gitlab-org/gitlab-ce!29341

RecaptchaExperimentHelper contains helper methods
to assist in the controller and view layers.

New user signup with/without reCAPTCHA A/B test

See merge request gitlab-org/gitlab-ee!14019

These changes use the Gitlab::SafeRequestStore without
Gitlab::JsonCache, but still use the Gitlab::JsonCache
for the persistent storage.

[ci skip]

[ci skip]

[ci skip]

Squelch output of ActiveSupport::Cache::NullStore in tests

See merge request gitlab-org/gitlab-ce!30055

When a spec fails relating to the cache, the job log can easily exceed
the maximum length and make it harder to see the actual issue
(e.g. https://gitlab.com/gitlab-org/gitlab-ee/-/jobs/239803017).