v1.2.0

Add experimental API cellxgene_census.experimental.pp.get_highly_variable_genes

What's Changed

• minor clarifications for the pypi.org release process by @atolopko-czi in #512
• [r] cache most R dependencies to speed up r-check CI by @mlin in #517
• [r] Add comp_bio_census_info.Rmd by @mlin in #407
• fix pytorch multiprocessing result by @atolopko-czi in #516
• Update release_process.md by @atolopko-czi in #520
• highly variable gene annotation by @bkmartinjr in #511

Full Changelog: v1.1.0...v1.2.0