Ufs2arco

* Integration tests with gefs, replay, era5
* Fixed static variables
* More testing for correctness in config yaml
* More transforms: multiply, divide, round

* Fixes data types for anemoi training
* Fixes / updates versioniing to using setuptools_scm

* Generic source/target
* Transforms mirroring our graphcast code

* fixes coordinate bug in layers2pressure

Includes more generic Layers2Pressure handling

Contains the Layers2Pressure class.