Account for changes to hydrofabric schema

[aaraney]

HF versions >2.1 now use:
flowlines instead of flowpaths
flowpath-attributes instead of flowpath_attributes
model-attributes instead of model_attributes

There are several places where we will need to account for these layer / table name changes:

• https://github.com/NOAA-OWP/DMOD/blob/e5f88460a8c39aebac3ba8c767a322bb4efcc7a3/python/lib/modeldata/dmod/modeldata/hydrofabric/geopackage_hydrofabric.py
• https://github.com/NOAA-OWP/DMOD/blob/e5f88460a8c39aebac3ba8c767a322bb4efcc7a3/python/lib/modeldata/dmod/modeldata/hydrofabric/geopackage_hydrofabric.py
• https://github.com/NOAA-OWP/DMOD/blob/e5f88460a8c39aebac3ba8c767a322bb4efcc7a3/python/lib/hydrofabric/dmod/test/test_gpkg_utils.py
• https://github.com/NOAA-OWP/DMOD/blob/e5f88460a8c39aebac3ba8c767a322bb4efcc7a3/python/services/dataservice/dmod/dataservice/data_derive_util.py -- maybe?