cp: remove dep on filetime crate

[oech3]

No description provided.

[codspeed]

Merging this PR will improve performance by 7.62%

⚡ 2 improved benchmarks
✅ 365 untouched benchmarks
⏩ 50 skipped benchmarks¹

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
⚡	Simulation	cp_archive_balanced_tree[(5, 4, 10)]	109.5 ms	101.3 ms	+8%
⚡	Simulation	cp_preserve_metadata[(5, 4, 10)]	101 ms	94.2 ms	+7.24%

Tip

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---

_{Comparing oech3:cp-filetime (d3f3e77) with main (58bc4fa)}

Footnotes

1. 50 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. ↩

[xtqqczze]

We need to implement for cfg(target_os = "wasi")

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/cp/attr-existing. tests/cp/attr-existing is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/backup-dir. tests/cp/backup-dir is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/cp-a-selinux. tests/cp/cp-a-selinux is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/cp-parents. tests/cp/cp-parents is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/link-heap. tests/cp/link-heap is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/link-symlink. tests/cp/link-symlink is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/parent-perm. tests/cp/parent-perm is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/perm. tests/cp/perm is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/preserve-link. tests/cp/preserve-link is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/preserve-mode. tests/cp/preserve-mode is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/preserve-slink-time. tests/cp/preserve-slink-time is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/readonly-dir. tests/cp/readonly-dir is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/cp/src-base-dot. tests/cp/src-base-dot is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/misc/selinux. tests/misc/selinux is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/mv/dup-source. tests/mv/dup-source is passing on 'main'. Maybe you have to rebase?