Update `cluster_manager` script #6184

Job	Run time
Build and test Node wrapper on Linux musl	6m 57s
build-amazonlinux-latest	3m 29s
load-engine-matrix	4s
lint-rust	1m 34s
test-ubuntu-latest (valkey, 7.2.5)	19m 49s
test-ubuntu-latest (valkey, 8.0.0)	20m 7s
	52m 0s

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