Missing deps in conda package

[pmrv]

conda-forge/pyiron_contrib-feedstock#25 (comment)

[liamhuber]

This is biting me in pyiron_workflow now. I guess the idea is that since many of the conda environment deps are optional over in setup that therefore they don't need to be mandatory parts of the conda package. But this is just leading to package missing error (boto3) when I try to use contrib as a dependency