Bump async from 2.6.3 to 2.6.4 in /examples/react-native#3819

dependabot[bot] wants to merge 1 commit intomasteraksonov/react-native-router-flux:masterfrom

dependabot/npm_and_yarn/examples/react-native/async-2.6.4aksonov/react-native-router-flux:dependabot/npm_and_yarn/examples/react-native/async-2.6.4Copy head branch name to clipboard