Rate limit archive endpoint by user

See merge request gitlab-org/gitlab!25750

This adds a user-specific rate limit for the repository archive
endpoint:

1. For anonymous users, the rate is 100 downloads/minute.
2. For individual users, the rate is 5 downloads/minute.

Rename self monitor spec file

See merge request gitlab-org/gitlab!25701

Improve grammar of principles.md

See merge request gitlab-org/gitlab!25630

Refactor project/group variables UI into Vue - 3 / 4

See merge request gitlab-org/gitlab!25468

Added neccessary components/tests
for the ci variables project/group
settings refactor to Vue.

Use clearer error for pages when SHA is outdated

See merge request gitlab-org/gitlab!25659

Clarify the scope of the setting in ApprovalState model spec

See merge request gitlab-org/gitlab!25540

Update version to 12.9.0-pre

See merge request gitlab-org/gitlab!25726

Update version to 12.8.0 pre

See merge request gitlab-org/gitlab!25722

Fix WebMock::NetConnectNotAllowedError spec failure

Closes #207531

See merge request gitlab-org/gitlab!25713

Add Release "edit" page feature spec

Closes #207261

See merge request gitlab-org/gitlab!25558

Add guidance on writing problem statements to template

See merge request gitlab-org/gitlab!25708

Add migration to create self monitoring project environment

Closes #204858

See merge request gitlab-org/gitlab!25289

This commits adds an RSpec feature spec for the recently-added "Edit
Release" page.

Add arguments to UpdateIssue mutation

See merge request gitlab-org/gitlab!25268

Since the vue file that it tests is named self_monitor_form.vue.

Change copy of Welcome screen

Closes #202632

See merge request gitlab-org/gitlab!25526

Generate smaller image sizes for Designs

See merge request gitlab-org/gitlab!22860

Remove temporal fix for import/export

Closes #31414

See merge request gitlab-org/gitlab!25616

Drop forked_project_links table

Closes #24795

See merge request gitlab-org/gitlab!20771

Prohibit creation of automatic ES indices

See merge request gitlab-org/gitlab!25254

This change disables "Index all project" button if ES
cluster doesn't have index created and shows a warning on
the ES integration page

[ci skip]

[ci skip]

Adjust Create issue button on the error tracking detail page for mobile

See merge request gitlab-org/gitlab!24390

fix(error_detail): Update CSS for mobile view and render a dropdown rather than buttons via a broken layout

Disable CSRF protection on logout endpoint

Closes #206912

See merge request gitlab-org/gitlab!25521

Allow external applications to destroy sessions without requiring a
CSRF token

Merge branch '199908-use-only-the-first-line-of-the-commit-message-on-chat-service-notification' into 'master'

Use commit title (only the first line of the commit message) on chat service notification

Closes #199908

See merge request gitlab-org/gitlab!25224