Consider fetching the cellxgene ontology versions from CZI ontology_info.json

[Zethson]

https://github.com/chanzuckerberg/cellxgene-ontology-guide/blob/main/ontology-assets/ontology_info.json

Currently does not include the gene information which can be found separately here:

https://github.com/chanzuckerberg/single-cell-curation/blob/main/cellxgene_schema_cli/cellxgene_schema/gencode_files/gene_info.yml