package/ell: bump version to 0.41
Changelog:
https://git.kernel.org/pub/scm/libs/ell/ell.git/tree/ChangeLog
Needed for bluez5_utils bump to version 5.59.
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>