* Add `clients_last_seen.days_any_interaction_bits`.
This column is a 28-day bit array containing whether the client has any active ticks (thus nonzero active hours) associated with each of the last 28 submission dates.
* Change column name.
Follow the grammatical pattern for these column names, as pointed out by @jklukas.
* Update tests
* Reconcile order to satisfy IF
Co-authored-by: Jeff Klukas <jklukas@mozilla.com>