Docker image cleanup #37

Job	Run time
cleanup (debian-bullseye)	8s
cleanup (rhel-8)	7s
cleanup (rhel-9)	13s
cleanup (debian-bookworm)	19s
cleanup (gcc)	4s
cleanup (tools-rippled-pre-commit)	4s
cleanup (rhel-10)	5s
cleanup (tools-rippled-clang-format)	5s
cleanup (ubuntu-jammy)	5s
cleanup (tools-rippled-prettier)	3s
cleanup (tools-rippled-documentation)	7s
cleanup (ubuntu-noble)	25s
	1m 45s

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