Change squashfs compression algorithm to zstd

Signed-off-by: trivernis <trivernis@protonmail.com>

crystal/profiledef.sh

@@ -11,5 +11,5 @@ bootmodes=('bios.syslinux.mbr' 'bios.syslinux.eltorito' 'uefi-x64.systemd-boot.e
 arch="x86_64"
 pacman_conf="pacman.conf"
 airootfs_image_type="squashfs"
-airootfs_image_tool_options=('-comp' 'xz' '-Xbcj' 'x86' '-b' '1M' '-Xdict-size' '1M')
+airootfs_image_tool_options=('-comp' 'zstd' '-b' '1M')
 file_permissions=()