package/x11r7/xserver_xorg-server: security bump version to 21.1.5
Release notes:
https://lists.x.org/archives/xorg-announce/2022-December/003303.html
Security advisory:
https://lists.x.org/archives/xorg-announce/2022-December/003302.html
Fixes CVE-2022-46340, CVE-2022-46341, CVE-2022-46342, CVE-2022-46343,
CVE-2022-46344 and CVE-2022-4283.
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>