Merge branch 'pipeline-graph-item-tooltips' into 'master'

Pipeline graph items: Change tooltip orientation, content

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/149296



Merged-by: Payton Burdette <pburdette@gitlab.com>
Approved-by: Annabel Dunstone Gray <annabel.dunstone@gmail.com>
Approved-by: Payton Burdette <pburdette@gitlab.com>
Reviewed-by: Payton Burdette <pburdette@gitlab.com>
Co-authored-by: Sascha Eggenberger <seggenberger@gitlab.com>