fix: Update d/ch for 23.10.60 as I am uploader sponsoring Ankush Pathak changes

I do not have keys to sign changes for Ankush Pathak

debian/changelog

@@ -1,3 +1,38 @@
+livecd-rootfs (23.10.60) mantic; urgency=medium
+
+  [ Ankush Pathak ]
+  * Add policy:unconfined_restrictions feature to 6.5 kernel (LP: #2062929)
+
+ -- Philip Roche <phil.roche@canonical.com>  Wed, 22 May 2024 11:55:15 +0100
+
+livecd-rootfs (23.10.59) mantic; urgency=medium
+
+  * Use Ubuntu policy default channel "latest" for preseeded snaps
+    (LP: #2061121)
+
+ -- Philip Roche <phil.roche@canonical.com>  Fri, 12 Apr 2024 12:37:29 +0100
+
+livecd-rootfs (23.10.58) mantic; urgency=medium
+
+  [ Simon Poirier ]
+  * fix: add back systemd-resolved to buildd images (LP: #2007419)
+
+ -- Dimitri John Ledkov <dimitri.ledkov@canonical.com>  Wed, 03 Jan 2024 15:17:17 +0000
+
+livecd-rootfs (23.10.57) mantic; urgency=medium
+
+  [ Heinrich Schuchardt ]
+  * arm: fix console parameter for ARM cloud-images (LP: #2036730)
+
+ -- Brian Murray <brian@ubuntu.com>  Wed, 06 Dec 2023 11:30:35 -0800
+
+livecd-rootfs (23.10.56) mantic; urgency=medium
+
+  * Enable snap preseeding with ppc64el images where /boot/vmlinux is used
+    instead of /boot/vmlinuz. (LP: #2038957)
+
+ -- Philip Roche <phil.roche@canonical.com>  Wed, 11 Oct 2023 11:41:00 +0100
+
 livecd-rootfs (23.10.55) mantic; urgency=medium
 
   * fix: add 6.5 kernel appamor features to livecd-rootfs based on

live-build/auto/config

@@ -1123,6 +1123,9 @@ case $SUBPROJECT in
 		add_package install build-essential
 		# Needed for LXD-based builds.
 		add_package install init
+		# Needed for bootable buildd systems which don't get injected
+		# nameserver configuration. (LP: 2007419)
+		add_package install systemd-resolved
 		# Not strictly build-essential, but traditionally present
 		# and a variety of things fail without it.
 		add_package install tzdata

live-build/functions

@@ -730,7 +730,7 @@ snap_preseed() {
                 CHANNEL=${2#*=}
                 ;;
             *)
-                CHANNEL="stable/ubuntu-$(release_ver)"
+                CHANNEL="latest/stable/ubuntu-$(release_ver)"
                 ;;
         esac
     fi
@@ -768,9 +768,18 @@ snap_preseed() {
 snap_validate_seed() {
     local CHROOT_ROOT=$1
     local kern_major_min=undefined
+    local boot_filename=undefined
 
+    # ppc64el still uses /boot/vmlinux so we need to determine the boot file name as non ppc64el use /boot/vmlinuz
+    # We don't need to query the arch as we can use existence of the file to determine the boot file name. Both
+    # will never be present at the same time.
     if [ -e ${CHROOT_ROOT}/boot/vmlinuz ]; then
-        kern_major_min=$(readlink --canonicalize --no-newline ${CHROOT_ROOT}/boot/vmlinuz | grep  --extended-regexp --only-matching --max-count 1 '[0-9]+\.[0-9]+')
+        boot_filename=vmlinuz
+    elif [ -e ${CHROOT_ROOT}/boot/vmlinux ]; then
+        boot_filename=vmlinux
+    fi
+    if [ ${boot_filename} != undefined ]; then  # we have a known boot file so we can proceed with checking for features to mount
+        kern_major_min=$(readlink --canonicalize --no-newline ${CHROOT_ROOT}/boot/${boot_filename} | grep  --extended-regexp --only-matching --max-count 1 '[0-9]+\.[0-9]+')
         if [ -d /usr/share/livecd-rootfs/live-build/apparmor/${kern_major_min} ]; then
             # if an Ubuntu version has different kernel apparmor features between LTS and HWE kernels
             # a snap pre-seeding issue can occur, where the incorrect apparmor features are reported

live-build/ubuntu-cpc/hooks.d/chroot/999-cpc-fixes.chroot

@@ -170,6 +170,16 @@ fi
 psuedo_grub_probe > "${gprobe}"
 chmod 755 "${gprobe}"
 
+case $arch in
+   armhf|arm64)
+      # QEMU virt machine provides AMBA PrimeCell UART
+      serial_console='ttyAMA0'
+      ;;
+   *)
+      serial_console='ttyS0'
+      ;;
+esac
+
 # for Quantal and later, use /etc/default/grub.d functionality
 # rather than modifying the grub configuration itself.
 # This avoids the mess of having to do dpkg stuff
@@ -186,7 +196,7 @@ GRUB_RECORDFAIL_TIMEOUT=0
 GRUB_TIMEOUT=0
 
 # Set the default commandline
-GRUB_CMDLINE_LINUX_DEFAULT="console=tty1 console=ttyS0"
+GRUB_CMDLINE_LINUX_DEFAULT="console=tty1 console=${serial_console}"
 
 # Set the grub console type
 GRUB_TERMINAL=console