Docker image cleanup #50

Job	Run time
cleanup (debian-trixie)	17s
cleanup (rhel-10)	11s
cleanup (debian-bookworm)	38s
cleanup (debian-bullseye)	21s
cleanup (rhel-9)	7s
cleanup (tools-rippled-documentation)	8s
cleanup (rhel-8)	6s
cleanup (ubuntu-jammy)	10s
cleanup (gcc)	8s
cleanup (tools-rippled-prettier)	5s
cleanup (tools-rippled-pre-commit)	6s
cleanup (ubuntu-noble)	54s
	3m 11s

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