chore(package): update async to version 2.1.2
chore(package): update async to version 2.1.2

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danielmahon/keystone,andrewlinfoot/keystone,snowkeeper/keystone,andrewlinfoot/keystone,Pop-Code/keystone,w01fgang/keystone,concoursbyappointment/keystoneRedux,Pop-Code/keystone,sendyhalim/keystone,matthewstyers/keystone,sendyhalim/keystone,frontyard/keystone,alobodig/keystone,alobodig/keystone,ONode/keystone,benkroeger/keystone,linhanyang/keystone,brianjd/keystone,benkroeger/keystone,ONode/keystone,danielmahon/keystone,vokal/keystone,andrewlinfoot/keystone,concoursbyappointment/keystoneRedux,danielmahon/keystone,naustudio/keystone,trentmillar/keystone,cermati/keystone,trentmillar/keystone,trentmillar/keystone,rafmsou/keystone,cermati/keystone,ratecity/keystone,frontyard/keystone,w01fgang/keystone,vokal/keystone,ratecity/keystone,matthewstyers/keystone,dryna/keystone-twoje-urodziny,frontyard/keystone,dryna/keystone-twoje-urodziny,naustudio/keystone,naustudio/keystone,vokal/keystone,matthewstyers/keystone,rafmsou/keystone,brianjd/keystone,snowkeeper/keystone,benkroeger/keystone