Update setup.py to list 0.0.4 version (which we'd now be working towards)
Update setup.py to list 0.0.4 version (which we'd now be working towards)

open-forcefield-group/openforcefield,open-forcefield-group/openforcefield,openforcefield/openff-toolkit,openforcefield/openff-toolkit,open-forcefield-group/openforcefield