Update sparc64 Debian image

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

Author: JohnTitor

ci/linux-sparc64.sh

@@ -5,7 +5,7 @@ set -ex
 mkdir -m 777 /qemu
 cd /qemu
 
-curl --retry 5 -LO https://cdimage.debian.org/cdimage/ports/snapshots/2021-10-20/debian-11.0.0-sparc64-NETINST-1.iso
+curl --retry 5 -LO https://cdimage.debian.org/cdimage/ports/snapshots/2022-03-28/debian-11.0.0-sparc64-NETINST-1.iso
 7z e debian-11.0.0-sparc64-NETINST-1.iso install/initrd.gz
 7z e debian-11.0.0-sparc64-NETINST-1.iso install/vmlinux
 mv vmlinux kernel