Add ISO builds to CI: #109

Job	Run time
Prepare matrix JSON	3s
Kernel hook-latest-lts-amd64	4m 37s
LinuxKit containers for arm64	14s
Kernel armbian-uefi-x86-edge	1m 12s
LinuxKit containers for amd64	17s
Kernel hook-default-amd64	3m 49s
Kernel armbian-uefi-arm64-edge	56s
Kernel armbian-rockchip64-edge	46s
Kernel armbian-rk35xx-vendor	44s
Kernel hook-latest-lts-arm64	4m 14s
Kernel armbian-rk3588-edge	55s
Kernel armbian-bcm2711-current	50s
Kernel hook-default-arm64	3m 36s
Kernel armbian-meson64-edge	47s
Hook hook-latest-lts-amd64	56s
Hook armbian-uefi-x86-edge	48s
Hook hook-default-amd64	50s
Hook armbian-uefi-arm64-edge	44s
Hook armbian-rockchip64-edge	40s
Hook armbian-rk35xx-vendor	38s
Hook hook-latest-lts-arm64	1m 1s
Hook armbian-rk3588-edge	45s
Hook armbian-bcm2711-current	49s
Hook hook-default-arm64	1m 0s
Hook armbian-meson64-edge	40s
Publish all Hooks to GitHub Releases for a tag	0s
Publish all Hooks to GitHub Releases	0s
	31m 51s

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