Update s390x installer to 20220914

Signed-off-by: Yuki Okushi <jtitor@2k36.org>

Author: JohnTitor

ci/linux-s390x.sh

@@ -6,8 +6,8 @@ mkdir -m 777 /qemu
 cd /qemu
 
 curl --retry 5 -LO https://github.com/qemu/qemu/raw/master/pc-bios/s390-ccw.img
-curl --retry 5 -LO http://ftp.debian.org/debian/dists/testing/main/installer-s390x/20210731/images/generic/kernel.debian
-curl --retry 5 -LO http://ftp.debian.org/debian/dists/testing/main/installer-s390x/20210731/images/generic/initrd.debian
+curl --retry 5 -LO http://ftp.debian.org/debian/dists/testing/main/installer-s390x/20220914/images/generic/kernel.debian
+curl --retry 5 -LO http://ftp.debian.org/debian/dists/testing/main/installer-s390x/20220914/images/generic/initrd.debian
 
 mv kernel.debian kernel
 mv initrd.debian initrd.gz