Bump distroless/base-debian12 from `88e0a2a` to `6ae5fe6` #4456

Job	Run time
check-links	10s
compatibility-test (~1.23.1, ubuntu-latest, amd64)	1m 49s
lint	2m 58s
verify-licenses	1m 32s
compatibility-test (~1.22.7, ubuntu-latest, amd64)	2m 11s
	8m 40s

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