Setup the launch env for running scylla nodetool #258

Job	Run time
CCM Integration tests (using Nix) / build	14m 50s
CCM Integration tests / build (3.8)	5m 43s
CCM Integration tests / build (3.11)	5m 43s
CCM Integration tests / build (3.12)	5m 26s
	31m 42s

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