chore: bump base OS to 'bookworm' #604

Job	Run time
setup	5s
build (armbian/bananapim2zero)	26m 35s
build (armbian/orangepi3lts)	30m 51s
build (armbian/orangepi4lts)	31m 35s
build (armbian/orangepi_zero2)	31m 2s
build (raspberry/rpi32)	38m 13s
build (raspberry/rpi64)	38m 11s
build (raspberry/rpi64-ks)	38m 10s
build (raspberry/rpi64-bullseye)	33m 14s
build (armbian/orangepi4lts-bullseye)	25m 46s
	4h 53m 42s

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