chore: bump base OS to 'bookworm' #609

Job	Run time
setup	2s
build (armbian/bananapim2zero)	27m 41s
build (armbian/orangepi3lts)	33m 49s
build (armbian/orangepi4lts)	33m 37s
build (armbian/orangepi_zero2)	33m 44s
build (raspberry/rpi32)	42m 53s
build (raspberry/rpi64)	47m 19s
build (raspberry/rpi64-ks)	54m 17s
build (raspberry/rpi64-bullseye)	35m 40s
build (armbian/orangepi4lts-bullseye)	29m 52s
	5h 38m 54s

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