uucore: fix clippy warnings in Style/lint (ubuntu-latest, all, true)

[Devel08]

this PR attempts to fix #15016

[codspeed]

Merging this PR will improve performance by 76.89%

⚡ 1 improved benchmark
✅ 392 untouched benchmarks
⏩ 54 skipped benchmarks¹

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
⚡	Simulation	three_39_bit_primes	533 ms	301.3 ms	+76.89%

Tip

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_{Comparing Devel08:fix-issue-15016 (4cb145d) with main (2b85f6f)}

Footnotes

1. 54 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[github-actions]

GNU testsuite comparison:

Skip an intermittent issue tests/date/resolution (fails in this run but passes in the 'main' branch)
Congrats! The gnu test tests/id/setgid is no longer failing!