Updates flowconfig to use latest flow version.
Updates flowconfig to use latest flow version.

kennethtruong/react-webapp,sergiokopplin/react-universally,igorsvee/react-ssr,deanslamajr/trakta.co,brettsnaidero/bsd,ctrlplusb/react-universally,ueno-llc/starter-kit-universally,diondirza/react-universally,pebie/react-universally-node-config,ueno-llc/starter-kit-universally,LorbusChris/react-universally,oyeanuj/react-universally