[Snyk] Security upgrade react-native from 0.26.0 to 0.49.0#81

bertrandk wants to merge 1 commit intomasterrangle/react-native-workshop:masterfrom

snyk-fix-0ad5f986edb95385296bf0328cb8f30crangle/react-native-workshop:snyk-fix-0ad5f986edb95385296bf0328cb8f30cCopy head branch name to clipboard