Update trove classifiers.
Update trove classifiers.

wikimedia/operations-debs-python-jsonschema,mathewmarcus/jsonschema,Julian/jsonschema,jamesmarva/jsonschema,eodolphi/jsonschema,python-jsonschema/jsonschema,dnephin/jsonschema,Julian/jsonschema,varunarya10/jsonschema,eodolphi/jsonschema,wikimedia/operations-debs-python-jsonschema,sightmachine/jsonschema