chore(deps): update rust crate uucore to 0.0.29 #300

Job	Run time
cargo fmt --all -- --check	11s
cargo clippy -- -D warnings (ubuntu-latest)	17s
Code Coverage (ubuntu-latest, unix)	1m 39s
cargo clippy -- -D warnings (macOS-latest)	12s
cargo check (ubuntu-latest)	18s
Code Coverage (macos-latest, macos)	1m 44s
cargo clippy -- -D warnings (windows-latest)	1m 48s
cargo test (ubuntu-latest)	27s
cargo check (macOS-latest)	16s
Code Coverage (windows-latest, windows)	3m 14s
cargo check (windows-latest)	1m 33s
cargo test (macOS-latest)	18s
cargo test (windows-latest)	1m 50s
	13m 47s

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