[`CommitScheduler`] assumes your data is append-only and should be uploading "as is". However, you
might want to customize the way data is uploaded. You can do that by creating a class inheriting from [`CommitScheduler`]
and overwrite the `push_to_hub` method (feel free to overwrite it any way you want). You are guaranteed it will
be called every `every` minutes in a background thread. You don't have to worry about concurrency and errors but you