chore(deps): update rust crate itoa to v1.0.16 #501

Job	Run time
Code Coverage (ubuntu-latest, unix)	1m 50s
cargo fmt --all -- --check	7s
GNU test suite	51s
Code Coverage (macos-latest, macos)	2m 32s
cargo test (macOS-latest)	1m 29s
cargo check (ubuntu-latest)	9s
cargo test (windows-latest)	4m 40s
cargo test (ubuntu-latest)	28s
cargo check (windows-latest)	1m 8s
Code Coverage (windows-latest, windows)	7m 4s
cargo clippy -- -D warnings (windows-latest)	47s
cargo check (macOS-latest)	17s
cargo clippy -- -D warnings (macOS-latest)	14s
cargo clippy -- -D warnings (ubuntu-latest)	26s
	22m 2s

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