package/suricata: security bump to version 4.1.9

These are the second releases after Suricata joined the Oss-Fuzz
program, leading to discovery of a number of (potential) security
issues. We recommend upgrading as soon as possible.

https://suricata-ids.org/2020/10/08/suricata-4-1-9-and-5-0-4-released



Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>