Pipeline Status: Add aria-label

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/144969



Merged-by: Miguel Rincon <mrincon@gitlab.com>
Approved-by: Julia Miocene <jmiocene@gitlab.com>
Approved-by: Miguel Rincon <mrincon@gitlab.com>
Reviewed-by: Miguel Rincon <mrincon@gitlab.com>
Reviewed-by: Sascha Eggenberger <seggenberger@gitlab.com>
Co-authored-by: Sascha Eggenberger <seggenberger@gitlab.com>