Add optional embedding of container images #79

Job	Run time
Prepare matrix JSON	2s
LinuxKit containers for arm64	14s
LinuxKit containers for amd64	1s
Kernel hook-latest-lts-amd64	4m 32s
Kernel armbian-uefi-x86-edge	1m 7s
Kernel hook-default-amd64	3m 44s
Kernel armbian-uefi-arm64-edge	55s
Kernel armbian-rockchip64-edge	45s
Kernel armbian-rk35xx-vendor	41s
Kernel hook-latest-lts-arm64	1m 48s
Kernel armbian-rk3588-edge	48s
Kernel armbian-bcm2711-current	42s
Kernel hook-default-arm64	3m 31s
Kernel armbian-meson64-edge	44s
Hook ${{ matrix.kernel }}	1s
Publish all Hooks to GitHub Releases	1s
Publish all Hooks to GitHub Releases for a tag	1s
	19m 37s

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