Revert "Revert "Attempt to make CI faster"" #12

Job	Run time
build	4m 52s
fmt	40s
clippy	2m 48s
tests (ingest)	1m 45s
tests (file-store)	2m 23s
tests (mobile-packet-verifier)	2m 11s
tests (reward-scheduler)	1m 43s
tests (task-manager)	1m 21s
tests-postgres (boost-manager)	2m 59s
tests-postgres (iot-config)	2m 35s
tests-postgres (iot-packet-verifier)	3m 55s
tests-postgres (iot-verifier)	2m 52s
tests-postgres (mobile-config)	2m 47s
tests-postgres (mobile-verifier)	3m 11s
build-release	0s
	36m 2s

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