rust/sedona-functions: Implement ST_AsEWKB and ST_GeomFromEWKB #490
Description
In #410 we implemented ItmCrs types that can handle the SRID provided by the EWKB; however, we didn't implement an EWKB parser that can actually persist this value (or export the values in such a way that the EWKB can be read by something else like PostGIS.