Project dependencies needs to be updated

[benthemobileguy]

The project breaks on newer flutter versions. I did a PR to fix that.

[daniJimen]

@benthemobileguy you are right, i think that library could be a good tool to manage updates in app it might be worth updating even today. I was preparing a PR to update it completely, please give me your support to try and get them to update
PR: #42