Update changelog
Update changelog

jonasi/pgx,josephglanville/pgx,plopik/pgx,jackc/pgx,silviucm/pgx,silviucm/pgx,deoxxa/pgx,jackc/pgx,plopik/pgx,jackc/pgx,rsto/pgx,jackc/pgx,kelvich/pgx,plopik/pgx,silviucm/pgx