extend show_versions (#5724)
extend show_versions (#5724)

* print sparse in print_versions

* add fsspec to print_versions

* add cupy [skip-ci]
jhamman/xarray,pydata/xarray,jhamman/xarray,markelg/xray,pydata/xarray,markelg/xray,markelg/xray,pydata/xarray,jhamman/xarray