hdf5: don't force 1.10 API.
This is causing issues with code that actually supports HDF5 1.12 and newer e.g. openPMD.
System updates will be applied on Nov 27th between 7am and 9am, EST (UTC-05:00). This site will have intermittent downtime during that time.
This is causing issues with code that actually supports HDF5 1.12 and newer e.g. openPMD.