Clippy updates for 1.84.0 #686

Job	Run time
clippy	2m 14s
build	4m 13s
fmt	21s
tests (coverage-point-calculator)	1m 40s
tests (coverage-map)	1m 46s
tests (reward-scheduler)	58s
tests (ingest)	2m 23s
tests (task-manager)	1m 1s
tests-postgres (boost-manager)	3m 48s
tests-postgres (file-store)	2m 20s
tests-postgres (iot-config)	2m 55s
tests-postgres (iot-packet-verifier)	4m 24s
tests-postgres (iot-verifier)	3m 45s
tests-postgres (mobile-config)	3m 12s
tests-postgres (mobile-packet-verifier)	3m 20s
tests-postgres (mobile-verifier)	3m 40s
build-release	0s
	42m 0s

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