- Update lib/gitlab/usage_data/topology.rb to
  add the query_apdex_weekly_average metric by using
  the new topology_query_apdex_weekly_average method
  to calculate the rolling 7 day average over the
  gitlab_usage_ping:sql_duration_apdex:ratio_rate5m
  prometheus metric
- Add query_apdex_weekly_average to the topology_spec
- Add query_apdex_weekly_average to the usage_ping doc