[pubspec] fix dependency on crypto to allow for future versions. (#66)
[pubspec] fix dependency on crypto to allow for future versions. (#66)


material-foundation/google-fonts-flutter,material-foundation/google-fonts-flutter,material-foundation/google-fonts-flutter,material-foundation/google-fonts-flutter,material-foundation/google-fonts-flutter,material-foundation/google-fonts-flutter,material-foundation/google-fonts-flutter