Chore: fix lint warnings #4023

Job	Run time
lint	12m 9s
cluster-benchmark (cluster_benchmark)	52s
examples (stable, memstore)	41s
openraft-feature-test (nightly)	53s
examples (stable, raft-kv-memstore)	2m 43s
openraft-feature-test (nightly, serde)	55s
openraft-test (stable, 0)	3m 25s
openraft-test-bench (nightly)	1m 0s
examples (stable, raft-kv-memstore-network-v2)	50s
openraft-feature-test (nightly, single-term-leader)	56s
openraft-test (nightly, 30)	3m 29s
examples (stable, raft-kv-memstore-opendal-snapshot-data)	1m 9s
openraft-test (nightly, 0, single-term-leader)	3m 19s
openraft-feature-test (nightly, single-term-leader,serde,singlethreaded)	54s
examples (stable, raft-kv-memstore-singlethreaded)	52s
rt-monoio	43s
examples (stable, raft-kv-rocksdb)	8m 22s
examples (nightly, memstore)	1m 1s
stores (stores/memstore)	55s
Build (nightly, bench,serde,bt,singlethreaded)	54s
examples (nightly, raft-kv-memstore)	2m 21s
stores (stores/rocksstore)	6m 25s
tests-feature-test (nightly)	3m 2s
examples (nightly, raft-kv-memstore-network-v2)	1m 13s
stores (stores/sledstore)	1m 4s
tests-feature-test (nightly, single-term-leader)	3m 6s
examples (nightly, raft-kv-memstore-opendal-snapshot-data)	1m 25s
tests-feature-test (nightly, loosen-follower-log-revert)	3m 8s
examples (nightly, raft-kv-memstore-singlethreaded)	1m 10s
examples (nightly, raft-kv-rocksdb)	12m 29s
	1h 21m 25s

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