Merge pull request #8603 from Agoric/8496-price-feed-benchmarks #2091

Job	Run time
snapshot	1s
docker-parallel-build (linux/amd64)	6m 29s
docker-parallel-build (linux/arm64/v8)	1h 41m 2s
docker-sdk	16s
docker-solo	1m 20s
docker-ibc-alpha	14s
	1h 49m 22s

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