Bump VERSION to 13.4.0-pre

See merge request gitlab-org/gitlab!40187

[ci skip]

Adds scripts/trigger-build to ci-review-patterns

See merge request gitlab-org/gitlab!40129

Align pipeline button icons

See merge request gitlab-org/gitlab!40133

Fixes left alignment pipelines

See merge request gitlab-org/gitlab!40177

Improve performance of Rails backtrace cleaner configuration

See merge request gitlab-org/gitlab!40182

Add doc style guidance on sign in > login

See merge request gitlab-org/gitlab!39758

Docs: Updated capitalization of runner

See merge request gitlab-org/gitlab!40033

Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/233529

Remove "Users over license" banner

See merge request gitlab-org/gitlab!39836

Part of https://gitlab.com/gitlab-org/gitlab/-/issues/231501

Move Creating a PAT section before Notifications for Expired

Closes #239471

See merge request gitlab-org/gitlab!40169

Prefer Regexp#match?(String) over String#=~(Regexp).

Add auto_close_incident column to incident_management_settings

See merge request gitlab-org/gitlab!39980

Improve performance of Gitlab::BacktraceCleaner

See merge request gitlab-org/gitlab!40180

Prefer Regexp#match?(String) over String#match(Regexp).

Disable default export rules

See merge request gitlab-org/gitlab!37252

Update pypi docs with note about duplicates

Closes #238845

See merge request gitlab-org/gitlab!40167

Replace deprecated button

Closes #219912

See merge request gitlab-org/gitlab!40000

Fix variable auditing permission check

See merge request gitlab-org/gitlab!39730

Update project security dashboard documentation

See merge request gitlab-org/gitlab!39602

Improve MR Analytics documentation

See merge request gitlab-org/gitlab!39879

This adds information about the MR Analytics features, permissions,
and feature flag to make this documentation more useful for users.

Add tracking to homepage customization banner

Closes #225858

See merge request gitlab-org/gitlab!39752

- for data collecting.

Undo dependency list table styling workarounds

See merge request gitlab-org/gitlab!31130

Add Snowplow to Toggles on Edit Feature Flag

See merge request gitlab-org/gitlab!40023

Add cop to detect complex indexes without names

See merge request gitlab-org/gitlab!39503

Rename JUnit reports to Unit Test Reports

See merge request gitlab-org/gitlab!39737

- Having the name of the feature be "JUnit test reports" can cause
  confusion over what type of support this feature has. While it
requires the JUnit format, many different languages support that format.
For a non-GitLab user this could lead away from investigating a feature
that might work well for them, just because their primary use case does
not involve Java.

Update docs for moving analytics to admin panel

See merge request gitlab-org/gitlab!39855

Update link in pipelines_table.vue

See merge request gitlab-org/gitlab!39938

Remove gap on trial registrations page

See merge request gitlab-org/gitlab!40080