feat: introduce basic OAS3.2 support #1902

Job	Run time
prepare-smoke-plugins	43s
run-smoke-plugins--npm--node-22	39s
run-smoke-plugins--npm--node-20--windows	4m 29s
run-smoke-plugins--npm--node-20	48s
run-smoke-plugins--npm--node-22--windows	3m 14s
	9m 53s

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