chore: Fix new clippy lints #2271

Job	Run time
Generate crates matrix	17s
Check crates matrix	4s
Build zebrad crate	36m 25s
Build zebra-utils crate	16m 42s
Build zebra-test crate	1m 51s
Build zebra-state crate	22m 42s
Build zebra-script crate	3m 38s
Build zebra-scan crate	25m 4s
Build zebra-rpc crate	33m 55s
Build zebra-node-services crate	3m 8s
Build zebra-network crate	6m 47s
Build zebra-grpc crate	14m 45s
Build zebra-consensus crate	17m 20s
Build zebra-chain crate	4m 50s
Build tower-fallback crate	1m 9s
Build tower-batch-control crate	1m 23s
Open or update issues for building crates individually failures	0s
	3h 10m 0s

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