Usage error found while running disk-image-create

Hello,

I'm using disk-image-create to build the new release of Debian, version 
12.6.  This is in the build log.  I honestly don't know whose bug it is, 
so I'm following the advice of the log message.

...
2024-06-29 18:30:36.682 |
2024-06-29 18:30:36.682 | Creating config file /etc/default/grub with 
new version
2024-06-29 18:30:36.942 | Setting up grub-efi (2.06-13+deb12u1) ...
2024-06-29 18:30:36.947 | Processing triggers for libc-bin 
(2.36-9+deb12u7) ...
2024-06-29 18:30:37.444 | ++ type -p grub-install
2024-06-29 18:30:37.445 | + GRUBNAME=/usr/sbin/grub-install
2024-06-29 18:30:37.445 | + '[' -z /usr/sbin/grub-install ']'
2024-06-29 18:30:37.446 | + type grub2-mkconfig
2024-06-29 18:30:37.446 | /tmp/in_target.d/finalise.d/50-bootloader: 
line 49: type: grub2-mkconfig: not found
2024-06-29 18:30:37.446 | + GRUB_MKCONFIG=grub-mkconfig
2024-06-29 18:30:37.447 | ++ /usr/sbin/grub-install --version
2024-06-29 18:30:37.454 | + [[ ! /usr/sbin/grub-install (GRUB) 
2.06-13+deb12u1 =~  2\. ]]
2024-06-29 18:30:37.455 | ++ grub-mkconfig --help
2024-06-29 18:30:37.523 | + [[ Usage: grub-mkconfig [OPTION]
2024-06-29 18:30:37.523 | Generate a grub config file
2024-06-29 18:30:37.523 |
2024-06-29 18:30:37.523 |   -o, --output=FILE       output generated 
config to FILE [default=stdout]
2024-06-29 18:30:37.523 |   -h, --help              print this message 
and exit
2024-06-29 18:30:37.523 |   -V, --version           print the version 
information and exit
2024-06-29 18:30:37.523 |
2024-06-29 18:30:37.523 | Report bugs to <[email protected]>. =~ 
--update-bls-cmdline ]]
...


The build software:

tools> pip3 list | grep disk
diskimage-builder  3.33.0

Best regards,
Jack