[Snyk] Upgrade react-navigation from 2.16.0 to 2.18.3#4

snyk-bot wants to merge 1 commit intomastermaxgfr/expo-api:masterfrom

snyk-upgrade-c45bdeec1cd256523be6e5e8198106fcmaxgfr/expo-api:snyk-upgrade-c45bdeec1cd256523be6e5e8198106fcCopy head branch name to clipboard