I’ve put binaries for Linux, Windows and Mac OS here: Index of /~jch/software/files. Please let me know if you need other binaries.
galene-password-generator as been integrated to the Testing version Testing by ericgaspar · Pull Request #110 · YunoHost-Apps/galene_ynh · GitHub as default.
It can be tested with:
sudo yunohost app upgrade galene -u https://github.com/YunoHost-Apps/galene_ynh/tree/testing --debug