Latest version of firebase_messaging

[andy-tdm]

The latest version of firebase_messaging is no longer firebase_messaging: ^14.9.2 it is now firebase_messaging: ^15.1.3 please update

[Davut-Atajanov]

is this package up and going for production use?

[mikaelwills]

@vangtry firebase_messaging has just been updated to 15.2.0 will be pushing a release version shortly