Update commit list based on new design
See https://gitlab.com/gitlab-org/gitlab/-/merge_requests/196492#note_2611188316
> @ms.mondrian added some notes about mobile design in https://gitlab.com/groups/gitlab-org/-/epics/17482#note_2611078691. Tldr not many changes from the draft / feedback listed above besides things that can be addressed in future MRs:
>
> * Desktop and mobile
> * Small avatar icons per Slack discussion
> * Adding both the authored and committed timestamps back per https://gitlab.com/groups/gitlab-org/-/epics/17482#note_2609233110
> * Note how tags wrap if there's overflow https://gitlab.com/groups/gitlab-org/-/epics/17482#note_2611078691
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