Upgrade to the Firebase Crashlytics SDK until November 15, 2020

[estevez-dev]

According to Google:

Fabric Crashlytics SDK is now deprecated and will continue reporting your app's crashes until November 15, 2020. After this date, the Fabric Crashlytics SDK and beta versions of the Firebase Crashlytics SDK will stop sending crash reports for your app.

Therefore gradle plugin dependency should be also updated for flutter_crashlytics.

[passsy]

This is getting critical. @jaumard Do you have to to work on that?

I tried the official firebase_crashlytics package but never received a crash report with it. I really hope this package will work beyond 15th Nov 20

[jaumard]

We're are wondering since a while now if we continue this plugin or not as there is an official one now... For now we're still using that one because of history, but now we're wondering if we update this one or just move to firebase_crashlytics.

If you can't manage to make firebase_crashlytics there is a lot of chance this one will not too as we will have the same dependencies as they have, that's why we're not sure it worth the effort...

[jaumard]

In any case contributions are more than welcome if some need/want that package I'll review merge and deploy without any issues, just not sure I'll have the bandwidth to work on it if we decide to not use it anymore