qemu: Upgrade 8.2.1 -> 8.2.2

This was a bugfix release, this version fixed several important fixes
according to upstream.

Dropped CVE-2023-6683.patch since already contained the fix.

Signed-off-by: Xiangyu Chen <xiangyu.chen@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>