s3s: fix lints #279

Job	Run time
cross-test (stable, ubuntu-latest)	3m 11s
cross-test (stable, ubuntu-latest)	3m 3s
cross-test (stable, ubuntu-latest)	3m 3s
develop (1.70.0)	6m 20s
develop (1.70.0)	9m 43s
develop (1.70.0)	9m 43s
develop (stable)	7m 3s
develop (stable)	5m 56s
develop (stable)	5m 56s
cross-test (stable, windows-latest)	6m 6s
cross-test (stable, windows-latest)	5m 26s
cross-test (stable, windows-latest)	5m 26s
e2e (s3s-proxy, mint)	40m 31s
e2e (s3s-proxy, mint)	10m 16s
e2e (s3s-proxy, mint)	11m 11s
cross-test (stable, macos-latest)	3m 56s
cross-test (stable, macos-latest)	4m 11s
cross-test (stable, macos-latest)	4m 11s
develop (nightly)	6m 0s
develop (nightly)	5m 44s
develop (nightly)	5m 44s
	2h 42m 40s

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