how to run on 64bit ? FW Update MMDVM_HS_Hat-v1.5.2 20201108 fail

[ds2k5]

Hi,
using Raspberry PI Zero 2W with Debian GNU/Linux 12 (bookworm) 64bit

when run: ./install_fw_rpi.sh

got this error:

$ ./install_fw_rpi.sh
./install_fw_rpi.sh: line 29: [: =: unary operator expected
Downloading latest firmware (stable)...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
100 51184 100 51184 0 0 40801 0 0:00:01 0:00:01 --:--:-- 2940k
Raspberry Pi 4 detected
sudo: unable to execute ./STM32F10X_Lib/utils/rpi32/stm32flash: No such file or directory

$ ls -la ./STM32F10X_Lib/utils/rpi32/stm32flash
-rwxr-xr-x 1 pi pi 95128 Jan 13 10:38 ./STM32F10X_Lib/utils/rpi32/stm32flash

how to fix this ?

Wanna Update the Firmware of: MMDVM_HS_Hat-v1.5.2 20201108