Conda soon-to-be problem mamba

[mvhulten]

For NCL we use miniconda, which now throws somewhere

WARNING: /p/project1/cdetect/vanhulten1/miniforge3/etc/profile.d/mamba.sh (the file emitting this warning) is deprecated.
WARNING: This file will be removed on the next release after 30th September 2025.
WARNING: Please use 'mamba shell init' to get the correct initialization for your shell.
WARNING: The MAMBA_ROOT_PREFIX environment variable is not set.
...