timeout: replace nix with rustix #24218

Job	Run time
Build the fuzzers	2m 23s
Build and test uufuzz examples	1m 2s
Fuzz (fuzz_seq, false)	2m 40s
Fuzz (fuzz_test, true)	3m 18s
Fuzz (fuzz_echo, true)	3m 16s
Fuzz (fuzz_sort, false)	3m 25s
Fuzz (fuzz_expr, true)	2m 39s
Fuzz (fuzz_date, true)	3m 33s
Fuzz (fuzz_printf, true)	3m 21s
Fuzz (fuzz_tr, false)	2m 25s
Fuzz (fuzz_parse_size, false)	2m 19s
Fuzz (fuzz_cut, false)	2m 13s
Fuzz (fuzz_env, false)	2m 10s
Fuzz (fuzz_wc, false)	2m 22s
Fuzz (fuzz_non_utf8_paths, true)	3m 20s
Fuzz (fuzz_parse_glob, true)	3m 21s
Fuzz (fuzz_split, false)	2m 21s
Fuzz (fuzz_cksum, false)	2m 8s
Fuzz (fuzz_parse_time, false)	2m 43s
Fuzz (fuzz_seq_parse_number, false)	2m 45s
Fuzz (fuzz_dirname, true)	3m 18s
Fuzzing Summary	11s
	57m 13s

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