feat: add support for arm architecture in python3 builds

[zenire]

I would like to have ARMv7 support since not all devices are ready to support arm64. Therefore, I've added the architecture in the build process, the same way JAVA_ARCHITECTURES is used.

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[loosebazooka]

you need to do more than this to get the arm images. You have to update the debian package consumer -- debian_packages.yaml

[loosebazooka]

Also, ensure that we are not building for old debian11 images, only debian12