Bump @react-native-firebase/app from 17.5.0 to 21.6.0 in /Sandbox#217

dependabot[bot] wants to merge 1 commit intomainjkoutavas/react-native-sandbox:mainfrom

dependabot/npm_and_yarn/Sandbox/react-native-firebase/app-21.6.0jkoutavas/react-native-sandbox:dependabot/npm_and_yarn/Sandbox/react-native-firebase/app-21.6.0Copy head branch name to clipboard