Revert "Revert "Attempt to make CI faster"" #18

Job	Run time
build	1m 51s
tests (file-store)	2m 12s
tests (boost-manager)	3m 16s
clippy	2m 10s
fmt	38s
tests (ingest)	2m 15s
tests (iot-config)	3m 4s
tests (iot-packet-verifier)	3m 30s
tests (iot-verifier)	2m 35s
tests (mobile-config)	2m 57s
tests (mobile-packet-verifier)	2m 44s
tests (mobile-verifier)	2m 52s
tests (task-manager)	1m 32s
tests (reward-scheduler)	1m 30s
	33m 6s

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