package/crudini: bump to version 0.9.3
This release hasn't been published to pypi, so we switch to the Github
release archive instead. This new version is Python 3.x compatible.
Signed-off-by: Titouan Christophe <titouan.christophe@railnova.eu>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>