Merge branch '511822-project-visibility-tooltip-screen-reader-access' into 'master'

Make project visibility icon keyboard focusable

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/179099



Merged-by: Radamanthus Batnag <rbatnag@gitlab.com>
Approved-by: Jeremy Elder <jelder@gitlab.com>
Approved-by: Radamanthus Batnag <rbatnag@gitlab.com>
Reviewed-by: Paulina Sedlak-Jakubowska <psedlak-jakubowska@gitlab.com>
Reviewed-by: GitLab Duo <gitlab-duo@gitlab.com>
Co-authored-by: danmh <dmizzi-harris@gitlab.com>
Co-authored-by: charlieeekroon <ckroon@gitlab.com>