chore(package): update watch to version 0.19.3
chore(package): update watch to version 0.19.3

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