Merge branch 'feature-flags-fix-tab-tooltips' into 'master'

Feature flags list: Fix tooltips not accessible via keyboard

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/195295



Merged-by: Scott de Jonge <sdejonge@gitlab.com>
Approved-by: Ragnar Hardarson <rhardarson@gitlab.com>
Approved-by: Scott de Jonge <sdejonge@gitlab.com>
Reviewed-by: GitLab Duo <gitlab-duo@gitlab.com>
Co-authored-by: Sascha Eggenberger <seggenberger@gitlab.com>