fix: decompose istio oscal #3685

Job	Run time
lint-check	43s
Select Jobs	3s
Schedule (all, registry1, upgrade) / Test	19m 57s
Schedule (all, unicorn, upgrade) / Test	21m 16s
Schedule (all, unicorn, install) / Test	14m 31s
Schedule (all, registry1, install) / Test	15m 53s
Schedule (all, upstream, install) / Test	15m 49s
Schedule (all, upstream, upgrade) / Test	19m 36s
Schedule (base, registry1, install) / Test	4m 38s
Schedule (base, unicorn, install) / Test	4m 25s
Schedule (base, upstream, install) / Test	5m 17s
Compliance Evaluation (upstream) / Evaluate	10s
Compliance Evaluation (unicorn) / Evaluate	13s
Compliance Evaluation (registry1) / Evaluate	12s
	2h 2m 43s

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