Add cleanup pipeline to remove unusable images #14

Job	Run time
cleanup (rhel-9.4)	1m 25s
cleanup (gcc)	7s
cleanup (tools-rippled-pre-commit)	16s
cleanup (rhel-9.6)	3m 39s
cleanup (tools-rippled-documentation)	14s
cleanup (debian-bookworm)	5m 47s
cleanup (debian-bullseye)	22s
cleanup (tools-rippled-clang-format)	23s
cleanup (ubuntu-noble)	2m 40s
cleanup (tools-rippled-prettier)	16s
cleanup (ubuntu-jammy)	1m 13s
	16m 22s

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