Update guidance on cloud-optimized HDF5

[abarciauskas-bgse]

Using the recent research on NISAR, update the guide with the benchmarking findings of @jsignell and @hrodmn

Resources:

• https://gist.github.com/jsignell/e0035cc255616afce8b786c841b9448d
• https://docs.maap-project.org/en/develop/science/NISAR/NISAR_access.html
• xarray blog post on new args + how to use them with NISAR NASA-IMPACT/veda-odd#332
• https://huggingface.co/spaces/maxrjones/nisar-manifest-explorer