Update caching documentation

Closes #33295

See merge request gitlab-org/gitlab!21165

Fix flaky test in releases_controller_spec.rb

Closes #37372

See merge request gitlab-org/gitlab!21519

Install lsb-release for repo URL construction

Closes #39424

See merge request gitlab-org/gitlab!21510

Add API for states by country

See merge request gitlab-org/gitlab!21417

Add post deployment migration to complete Pages metadata migration

See merge request gitlab-org/gitlab!19928

Multiple release objects would be created in the test with the same tag
(v1.1.0), which caused random failures, depending on what the database
returned for Releases.find_by_tag!. Since there is no uniqueness
constraint, we fix this problem by changing the tag to a unique name.

Closes https://gitlab.com/gitlab-org/gitlab/issues/37372

Unquarantine Secure Licence Compliance MR test

Closes #36696

See merge request gitlab-org/gitlab!20744

Backend: Add ability to embed stack trace in gitlab issue

See merge request gitlab-org/gitlab!20799

Add table to store the sentry event and issue ids
that are related to a gitlab issue

Update issue links and add metadata in quarantined tests

See merge request gitlab-org/gitlab!21472

Add border top to Readme file header

Closes #27025

See merge request gitlab-org/gitlab!21314

Fix bug with snippet refactored routes

See merge request gitlab-org/gitlab!21267

Update security-harness for Security remote

See merge request gitlab-org/gitlab!21207

Use feature flags mixin in grouped security reports app

See merge request gitlab-org/gitlab!21251

Enable Job-Token authentication in GitLab Core

Closes #37898

See merge request gitlab-org/gitlab!21120

Fix excessive Redis calls for new HSET/HMGET diffs cache

Closes #39133

See merge request gitlab-org/gitlab!21449

Remove conan package registry feature flag

See merge request gitlab-org/gitlab!21152

Remove the conan_package_registry feature flag
for general availability.

Rename existing refactored snippet routes to avoid
collisions with existing Rails generated routes.

Add doc links to admin dashboard features

Closes #35368

See merge request gitlab-org/gitlab!21419

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Closes https://gitlab.com/gitlab-org/gitlab/issues/37898

See merge request https://gitlab.com/gitlab-org/gitlab/merge_requests/21120

We were doing multiple hmget calls when reading
the cache. This neutralizes the problem by using
a memoized cache.

Prevent wrapping on diff line number to avoid perceived empty lines

See merge request gitlab-org/gitlab!19190

Improve projects dev fixtures

See merge request gitlab-org/gitlab!21423

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Remove downstream pipeline connecting lines (1/3)

See merge request gitlab-org/gitlab!21196

Add an API route for fetching states by country

Migrate two environment tests from karma to jest

See merge request gitlab-org/gitlab!21326

Many files must be formatted

Store mentioned users, groups, projects in DB using postgres array type

See merge request gitlab-org/gitlab!19088

When a note is created or updated it gets parsed and
users, groups, projects mentioned in the note are stored in respective
db table, or deleted when note is deleted.

Add new Elasticsearch E2E tests

Closes gitlab-org/quality/testcases#123 and gitlab-org/quality/testcases#122

See merge request gitlab-org/gitlab!21085