feat(GlAnimatedIcon): add down-up, lg-down-up and lg-right-down chevrons

mentioned in commit aa22a391

mentioned in merge request gitlab-org/editor-extensions/gitlab-jetbrains-plugin!1613 (merged)

mentioned in merge request status-page!903

mentioned in merge request gitlab!185824 (merged)

mentioned in merge request gitlab!186102 (closed)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!4359 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!4360 (merged)

mentioned in merge request gitlab-org/frontend/playground/accessibility-scanner!67 (closed)

mentioned in merge request gitlab-org/frontend/pajamas-adoption-scanner!367 (merged)

mentioned in merge request gitlab-svgs!1125 (merged)