Update to use pyth sponsored feeds (#831) #111

Job	Run time
fmt	15s
build	4m 30s
clippy	1m 46s
tests (coverage-map)	1m 39s
tests (coverage-point-calculator)	1m 33s
tests (file-store)	1m 40s
tests (mobile-packet-verifier)	2m 14s
tests (task-manager)	1m 10s
tests (ingest)	1m 49s
tests (reward-scheduler)	49s
tests-postgres (boost-manager)	2m 36s
tests-postgres (iot-config)	2m 53s
tests-postgres (iot-packet-verifier)	3m 27s
tests-postgres (iot-verifier)	2m 19s
tests-postgres (mobile-config)	2m 10s
tests-postgres (mobile-verifier)	2m 28s
build-release	14m 0s
	47m 18s

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