Revert "Revert "Attempt to make CI faster"" #15

Job	Run time
build	2m 31s
fmt	5s
clippy	2m 10s
tests (file-store)	1m 26s
tests (ingest)	2m 23s
tests (mobile-packet-verifier)	2m 1s
tests (task-manager)	1m 30s
tests-postgres (boost-manager)	2m 40s
tests-postgres (iot-config)	2m 32s
tests (reward-scheduler)	1m 49s
tests-postgres (iot-packet-verifier)	3m 48s
tests-postgres (mobile-config)	2m 10s
tests-postgres (iot-verifier)	2m 33s
tests-postgres (mobile-verifier)	2m 14s
build-release	0s
	29m 52s

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