Allow setting a different license for Tanzu RabbitMQ #2099

Job	Run time
Build new RabbitMQ	3m 26s
Build old RabbitMQ	4m 10s
Test durable_queue + 3 node(s)	1m 5s
Test transient_queue + 3 node(s)	1m 7s
Test durable_queue + 1 node(s)	42s
Test 10k_queues_import + 3 node(s)	2m 15s
Test 10k_queues_import + 1 node(s)	1m 31s
Test topic_bindings_import + 3 node(s)	1m 33s
Test topic_bindings_import + 1 node(s)	54s
	16m 43s

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