nextgems cycle3 version

This MR contains a bunch of changes 😬, but represents the setup for the NextGEMS Cycle 3 simulations. It contains:

• memory debug output
• option to write to zarr in a separate worker thread
• hiopy version
• better error messages if out-of-bound data is tried to be written
• passing of loglevel from configure processes to healpix_output
• distribution of output processes thoughout the cluster instead of on separate nodes