Merge branch '13494-todo-s-not-rendering-when-there-is-a-design-management-related-todo' into 'master'

Allow Todos to link to Designs

Closes #13494

See merge request gitlab-org/gitlab-ee!15129

Allow to use focus: true in specs

See merge request gitlab-org/gitlab-ce!31691

Disable invisible_captcha feature flag for signup specs

See merge request gitlab-org/gitlab-ee!15199

Add section on how we run CE->EE merge at GitLab

See merge request gitlab-org/gitlab-ce!31659

Documentation: tell when push options were introduced

See merge request gitlab-org/gitlab-ce!31836

Update/expand docs for the Dependency List.

See merge request gitlab-org/gitlab-ce!31147

These changes align the docs with the features introduced in [1].

See also the [issue tracking the documentation changes][2].

[1]: https://gitlab.com/gitlab-org/gitlab-ee/issues/10077
[2]: https://gitlab.com/gitlab-org/gitlab-ee/issues/12986

Update description templates screenshots

See merge request gitlab-org/gitlab-ce!31623

Updated screenshots about description templates in the project
settings documentation.

Closes #https://gitlab.com/gitlab-org/gitlab-ce/issues/65738

This adds supports for Todos to link to Designs.

Add designs as a dropdown option

https://gitlab.com/gitlab-org/gitlab-ee/issues/13494
https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/15129Co-Authored-By: Alex Kalderimis <akalderimis@gitlab.com>
Co-Authored-By: Luke Duncalfe <lduncalfe@eml.cc>

CE backport for gitlab-org/gitlab-ee!14097: Add merge train helper text to merge request widget

See merge request gitlab-org/gitlab-ce!30686

Add merge train helper text to merge request widget

Closes #11982

See merge request gitlab-org/gitlab-ee!14097

Update text: Cycle -> Productivity

See merge request gitlab-org/gitlab-ce!31830

CE-specific changes for:
https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/15129Co-Authored-By: Alex Kalderimis <akalderimis@gitlab.com>
Co-Authored-By: Luke Duncalfe <lduncalfe@eml.cc>

Changes to cycle analytics docs

See merge request gitlab-org/gitlab-ce!31572

Add missing (FREE ONLY) docs tier badge

See merge request gitlab-org/gitlab-ce!31755

Note that assigning many people is starter feature

See merge request gitlab-org/gitlab-ce!30700

Update Mattermost System Console settings page URL for webhooks

See merge request gitlab-org/gitlab-ce!31334

Add docs page for productivity_analytics

See merge request gitlab-org/gitlab-ce!31460