fix(labels): Fix small label text

mentioned in commit 887c7b70

mentioned in merge request gitlab-org/frontend/pajamas-adoption-scanner!127 (merged)

mentioned in merge request gitlab!114773 (merged)

mentioned in merge request status-page!726 (merged)

mentioned in merge request gitlab-docs!3679 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!3312 (closed)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!3313 (merged)

mentioned in commit d952471a