Add milestone <13.9 to metrics with no milestone

See merge request gitlab-org/gitlab!69400

  - Use milestone <13.9 for metrics definitions
  with no milestone defined

  - Add milestone <13.9 for metrics where
  we don't know the milestone
  - Update regex for milestone validation

Add support for description lists in content editor

See merge request gitlab-org/gitlab!69149

Fix check and cross symbols on containers page

See merge request gitlab-org/gitlab!69342

Issue template for infradev

See merge request gitlab-org/gitlab!69362

Fix broken test

See merge request gitlab-org/gitlab!69364

Clarify UI CI variables are'nt available to services

See merge request gitlab-org/gitlab!67787

Use jh/Gemfile if it exists

See merge request gitlab-org/gitlab!69361

Use linear version User#groups_with_developer_maintainer_project_access

See merge request gitlab-org/gitlab!68851

Zoom into design image upto 100% of actual size

See merge request gitlab-org/gitlab!68755

Clean up Secure service ping metric definitions

See merge request gitlab-org/gitlab!69257

Simplify issues counts query in issues page refactor

See merge request gitlab-org/gitlab!69310

Cache group issues count for state

See merge request gitlab-org/gitlab!67418

[ci skip]

- Add specs

Add condition to truncate counts text

- Add tests for method issuables_state_counter_text

Revert to using RequestStore if cache is empty

Limit caching to group isssues

- Rename FF
- Move FF check to group model
- Update specs

Use existing format_cached_count method

Refactor #params_include_filters?

Replace "the the" with "the"

See merge request gitlab-org/gitlab!69134

The 2 tests can be merged for simplicity,
as the second test is testing the
internal implementation.

Add rollout issue for track_epic_boards_activity

See merge request gitlab-org/gitlab!69348

Update Actionable Insight template to make issue confidential by default

See merge request gitlab-org/gitlab!69157

Fix product tier on Jira importer doc

See merge request gitlab-org/gitlab!69347

Consume security policy yaml in specs from factory

See merge request gitlab-org/gitlab!69109

This commit moves the hardcoded policy yaml content
in specs into a new factory.

This commit is a follow-up from
https://gitlab.com/gitlab-org/gitlab/-/merge_requests/69108.

Prevent overriding DOMPurify's default config with custom configuration

See merge request gitlab-org/gitlab!69269

Refactor Vue issues list variable names

See merge request gitlab-org/gitlab!69300

Experiment cleanup: Promote Continuous onboarding 1A

See merge request gitlab-org/gitlab!68965

Use linear version ApplicationSettings#elasticsearch_limited_namespaces

See merge request gitlab-org/gitlab!68931

Further refactor member creation classes

See merge request gitlab-org/gitlab!67541

Cleanup orphaned issue boards sidebar components

See merge request gitlab-org/gitlab!69336