OSI build might fail because of missing chattr command

[rezib]

OSI build may fail beause with some image format due to missing chattr command:

± fatbuildrctl --uri dbus://system/hpckit build -a node-debian11 -s firehpc/envs --watch
Submitted node-debian11 build task f8b12e10-396a-47f1-9576-58b3f574742a
 ⚬ INFO: Running build f8b12e10-396a-47f1-9576-58b3f574742a
 ⚬ INFO: Extracting tarball /run/fatbuildr/fatbuildr-artifact-3ml_x6nz.tar.xz in destination /var/lib/fatbuildr/workspaces/hpckit/f8b12e10-396a-47f1-9576-58b3f574742a
 ⚬ INFO: Building the OS image based node-debian11
‣ Changing ownership of output file /var/lib/fatbuildr/workspaces/hpckit/f8b12e10-396a-47f1-9576-58b3f574742a/debian~bullseye to user fatbuildr…
‣ Changed ownership of /var/lib/fatbuildr/workspaces/hpckit/f8b12e10-396a-47f1-9576-58b3f574742a/debian~bullseye
‣ Removing output files…
‣ Detaching namespace
‣ Setting up temporary workspace.
‣ Temporary workspace set up in /var/tmp/mkosi-exsweq57
‣ Running second (final) stage…
‣  Creating image with partition table…
‣ Error: chattr not found in PATH.
 ⚬ ERROR: error while running task f8b12e10-396a-47f1-9576-58b3f574742a: Command /usr/libexec/fatbuildr/u-nspawn --directory /var/lib/fatbuildr/images/hpckit/osi.img --bind /usr/share/fatbuildr/images/common --quiet --register=no --keep-unit --bind /var/lib/fatbuildr/workspaces/hpckit/f8b12e10-396a-47f1-9576-58b3f574742a --bind /var/cache/fatbuildr/hpckit/node-debian11 --bind /var/lib/fatbuildr/registry/hpckit/osi --setenv SUDO_UID=998 /usr/bin/mkosi --nspawn-keep-unit --default /var/lib/fatbuildr/workspaces/hpckit/f8b12e10-396a-47f1-9576-58b3f574742a/osi/node-debian11.mkosi --output-dir /var/lib/fatbuildr/workspaces/hpckit/f8b12e10-396a-47f1-9576-58b3f574742a --image-id node-debian11 --image-version 1 --checksum failed with exit code 1
 ⚬ INFO: Task failed