publish onnxconverter package in anaconda

[sephib]

Hi, we want to publish hummingbird ml to anaconda.

Since it depends on this package we need this package to also be on anaconda.

Are you planning to publish this package on anaconda or should I do so?

[xhochy]

Doing this now for conda-forge: https://github.com/conda-forge/staged-recipes/pull/14220