xserver-xorg: 21.1.6 -> 21.1.7

According to the ANNOUNCE of xorg-server 21.1.7[1]:

This release contains the fix for CVE-2023-0494 in today's security
advisory: https://lists.x.org/archives/xorg-announce/2023-February/003320.html
It also fixes a second possible OOB access during EnqueueEvent and a
crasher caused by ResourceClientBits not correctly honouring the
MaxClients value in the configuration file.

Finally, a bunch of Xquartz updates including the ability to correctly detect
ssh-tunneled clients as remote.

[1]: https://lists.x.org/archives/xorg-announce/2023-February/003321.html



Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 60737bee)
Signed-off-by: Steve Sakoman <steve@sakoman.com>