Update attribute should return true / false if it could update.
Update attribute should return true / false if it could update.

It is theoretically possible that the new value could be nil for all
options meaning that `@updated` would be false / nil even after a
successful run.

davoclavo/feedjira,jfiorato/feedjira,IFTTT/feedjira,pulkit21/feedjira,zenati/feedjira,iitgiq/feedjira,bakshi41c/feedjira