upgrade geojson-vt to fix dupe polygon point issue
upgrade geojson-vt to fix dupe polygon point issue

tangrams/tangram,TitoAgudelo/tangram,xvilan/tangram,xvilan/tangram,ceseale/tangram,taylorhxu/tangram,zerebubuth/tangram,taylorhxu/tangram,TitoAgudelo/tangram,DHaylock/tangram,ceseale/tangram,rosamcgee/tangram,DHaylock/tangram,TitoAgudelo/tangram,tangrams/tangram,zerebubuth/tangram,DHaylock/tangram,taylorhxu/tangram,zerebubuth/tangram,ceseale/tangram,rosamcgee/tangram,xvilan/tangram,rosamcgee/tangram