Rather than having a submodule with a different Fabric mod, use Fabric's unit test system to execute code using game data. This is cursed but fits perfectly our use case :)
* Update Gradle, Update dependencies.
* The mod doesn't require a newer Fabric API version
---------
Co-authored-by: EnZaXD <60033407+FlorianMichael@users.noreply.github.com>