flamenco: change hardcoded to use cluster version #4925

Job	Run time
ledgers / ledger-replay	8m 37s
tests / test (linux_gcc_noarch64-gcc-12)	1m 21s
tests / test (linux_gcc_noarch64)	1m 1s
tests / test (linux_gcc_x86_64)	6m 18s
tests / test (linux_gcc_icelake)	6m 21s
tests / test (linux_clang_x86_64)	5m 3s
tests / test (linux_clang_icelake)	8m 13s
tests / test (native)	4m 53s
tests / test (fddev-no-solana)	1m 46s
ledgers / ledger-coverage	0s
	43m 33s

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