packager codes: force lat/lng to be floats
packager codes: force lat/lng to be floats

Fixes the edge case of a ES address returning lng in exponential notation

openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server