Wikidata: Log errors only when reported by Wikibase
Wikidata: Log errors only when reported by Wikibase

There are two cases when dependencies should not be updated for
Wikidata: (i) there aren't any; and (ii) an error was returned by
the Wikibase API. Log only the latter.

Pchelolo/change-propagation,wikimedia/change-propagation,d00rman/restbase-mod-queue-kafka,wikimedia/change-propagation,Pchelolo/change-propagation