feat(css): add gl-lg-flex-direction-column utility

mentioned in commit 97b93d6f

mentioned in merge request status-page!585 (merged)

mentioned in merge request gitlab!93864 (merged)

mentioned in merge request gitlab-docs!3007 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!3005 (merged)

mentioned in merge request gitlab!95273 (closed)

mentioned in merge request gitlab-org/frontend/pajamas-adoption-scanner!87 (merged)