🐛[BUG]: graphcast race condition when caching graph data structure

[nbren12]

Version

main

On which installation method(s) does this occur?

No response

Describe the issue

When running in parallel all processes try to write to this .cache.pkl file: https://github.com/NVIDIA/earth2mip/blob/2b6d3f816e68db3f53d6fb3d795620086e641041/earth2mip/networks/graphcast.py#L107

Environment details

No response