chore(telemetry): add updating dashboard user story to telemetry.md (no issue) (#3732)
chore(telemetry): add updating dashboard user story to telemetry.md (no issue) (#3732)


mozilla/activity-stream,rlr/activity-streams,Mardak/activity-stream,mozilla/activity-stream,Mardak/activity-stream,mozilla/activity-streams,AdamHillier/activity-stream,mozilla/activity-stream,mozilla/activity-streams,sarracini/activity-stream,rlr/activity-streams,Mardak/activity-stream,sarracini/activity-stream,AdamHillier/activity-stream,sarracini/activity-stream,Mardak/activity-stream,rlr/activity-streams,AdamHillier/activity-stream,AdamHillier/activity-stream,rlr/activity-streams,mozilla/activity-stream,sarracini/activity-stream