when heterogeneous (non-attribute) data are in database but not registered
fix for broken tests on Windows/GDAL 3.5.2
where (apparently) gpkg_contents does not get updated the same way as 3.6.x so consistent behavior across relies on gpkg_update_contents() to detect table data type
gpkg_contentsdoes not get updated the same way as 3.6.x so consistent behavior across relies ongpkg_update_contents()to detect table data type