feat: add flow-control benchmark scenarios #1137

Job	Run time
Build Docker images for QNS (baseline, 9edeb522bd8c892a84ec69d1fc23f4d63390899b)	55s
Build Docker images for QNS (pr, ed10935481931ab10e81671d223eb7efa9cce16b)	55s
Determine interop pairs	1s
Run QNS	1s
Report results	1s
	1m 53s

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