Update request: yt

It would be nice if we could get updated packages for yt on the default anaconda channel:

https://anaconda.org/anaconda/yt/files

Compare for example with conda-forge:

https://anaconda.org/conda-forge/yt/files

For updated recipes see the conda-forge recipe:

https://github.com/conda-forge/yt-feedstock/blob/master/recipe/meta.yaml