package/spice: security bump to version 0.15.0
Fix CVE-2021-20201: A flaw was found in spice in versions before
0.14.92. A DoS tool might make it easier for remote attackers to cause a
denial of service (CPU consumption) by performing many renegotiations
within a single connection.
https://gitlab.freedesktop.org/spice/spice/-/tags/v0.15.0
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>