miscellaneous bugfixes for alpha12 (#2823)

* miscellaneous bugfixes for alpha12

* fix deserialization of path in cifs share

* catch error in setup.status

* actually reserialize db after migration

* better progress reporting for migrations

* fix infinite drop

* fix raspi build

* fix race condition

* version bump

---------

Co-authored-by: Matt Hill <mattnine@protonmail.com>

container-runtime/update-image.sh

@@ -18,6 +18,13 @@ sudo mount -t overlay -olowerdir=tmp/lower,upperdir=tmp/upper,workdir=tmp/work o
 QEMU=
 if [ "$ARCH" != "$(uname -m)" ]; then
     QEMU=/usr/bin/qemu-${ARCH}-static
+    if ! which qemu-$ARCH-static > /dev/null; then
+        >&2 echo qemu-user-static is required for cross-platform builds
+        sudo umount tmp/combined
+        sudo umount tmp/lower
+        sudo rm -rf tmp
+        exit 1
+    fi
     sudo cp $(which qemu-$ARCH-static) tmp/combined${QEMU}
 fi