build

Bump docker/bake-action from 6 to 7 #693

Job	Run time
build / prepare	1m 1s
build / build (1, linux/arm/v6, ubuntu-24.04-arm)	3m 10s
build / build (2, linux/arm/v7, ubuntu-24.04-arm)	2m 27s
build / build (0, linux/amd64, ubuntu-24.04)	2m 31s
build / build (3, linux/arm64, ubuntu-24.04-arm)	2m 37s
build / finalize	6s
	11m 52s

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