Chore: fix lint warning #3216

Job	Run time
openraft-test-bench (nightly)	52s
openraft-test (stable, 0)	2m 58s
openraft-test (nightly, 30)	3m 25s
openraft-test (nightly, 0, single-term-leader)	3m 15s
cluster-benchmark (cluster_benchmark)	48s
examples (stable, memstore)	36s
examples (stable, raft-kv-memstore)	2m 9s
examples (stable, raft-kv-memstore-generic-snapshot-data)	58s
external-stores (stores/rocksstore-v2)	6m 4s
examples (stable, raft-kv-memstore-opendal-snapshot-data)	1m 26s
examples (stable, raft-kv-memstore-singlethreaded)	59s
lint	6m 36s
examples (stable, raft-kv-rocksdb)	7m 49s
examples (nightly, memstore)	51s
examples (nightly, raft-kv-memstore)	2m 7s
openraft-feature-test (nightly)	47s
examples (nightly, raft-kv-memstore-generic-snapshot-data)	1m 17s
openraft-feature-test (nightly, serde)	48s
examples (nightly, raft-kv-memstore-opendal-snapshot-data)	1m 55s
openraft-feature-test (nightly, single-term-leader)	50s
examples (nightly, raft-kv-memstore-singlethreaded)	1m 15s
examples (nightly, raft-kv-rocksdb)	12m 21s
openraft-feature-test (nightly, single-term-leader,serde,singlethreaded)	49s
stores (memstore)	53s
Build (nightly, bench,serde,bt,singlethreaded)	45s
stores (rocksstore)	6m 2s
stores (sledstore)	58s
tests-feature-test (nightly)	2m 59s
tests-feature-test (nightly, single-term-leader)	2m 57s
tests-feature-test (nightly, loosen-follower-log-revert)	2m 55s
	1h 18m 24s

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